A report summarizes a survey of people in two independent random samples. One sample consisted of 500 young adults (age 19 to 35) and the other sample consisted of 300 parents of children age 19 to 35. The young adults were presented with a variety of situations (such as getting married or buying a house) and were asked if they thought that their parents were likely to provide financial support in that situation. The parents of young adults were presented with the same situations and asked if they would be likely to provide financial support to their child in that situation. (a) When asked about getting married, 41% of the young adults said they thought parents would provide financial support and 43% of the parents said they would provide support. Carry out a hypothesis test to determine if there is convincing evidence that the proportion of young adults who think parents would provide financial support and the proportion of parents who say they would provide support are different. (Use α = 0.05. Use a statistical computer package to calculate the P-value. Use Myoung adults - "parents" Round your test statistic to two decimal places and your P-value to three decimal places.) Z = P-value = State your conclusion. O We reject Ho. We do not have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage and the proportion of parents who say they would provide financial support for marriage. ○ We reject Ho. We have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage and the proportion of parents who say they would provide financial support for marriage. ○ we fail to reject Ho. We do not have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage and the proportion of parents who say they would provide financial support for marriage. ○ we fail to reject Ho. We have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage and the proportion of parents who say they would provide financial support for marriage. (b) The report stated that the proportion of young adults who thought parents would help with buying a house or apartment was 0.37. For the sample of parents, the proportion who said they would help with buying a house or an apartment was 0.27. Based on these data, can you conclude that the proportion of parents who say they would help with buying a house or an apartment is significantly less than the proportion of young adults who think that their parents would help? (Use α = 0.05. Use a statistical computer package to calculate the P-value. Use Myoung adults - Mparents. Round your test statistic to two decimal places and your P-value to four decimal places.) z = P-value = State your conclusion. ○ we fail to reject Ho. We have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young adults who think that their parents would help. We reject Ho. We do not have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young adults who think that their parents would help. ○ We reject Ho. We have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young adults who think that their parents would help. ○ We fail to reject Ho. We do not have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young adults who think that their parents would help.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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11.3.4

A report summarizes a survey of people in two independent random samples. One sample consisted of 500 young adults (age 19 to 35) and the other sample consisted of 300 parents of
children age 19 to 35. The young adults were presented with a variety of situations (such as getting married or buying a house) and were asked if they thought that their parents were
likely to provide financial support in that situation. The parents of young adults were presented with the same situations and asked if they would be likely to provide financial support to
their child in that situation.
(a) When asked about getting married, 41% of the young adults said they thought parents would provide financial support and 43% of the parents said they would provide
support. Carry out a hypothesis test to determine if there is convincing evidence that the proportion of young adults who think parents would provide financial support and the
proportion of parents who say they would provide support are different. (Use α = 0.05. Use a statistical computer package to calculate the P-value. Use Myoung adults - "parents"
Round your test statistic to two decimal places and your P-value to three decimal places.)
Z =
P-value =
State your conclusion.
O We reject Ho. We do not have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for
marriage and the proportion of parents who say they would provide financial support for marriage.
○ We reject Ho. We have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage
and the proportion of parents who say they would provide financial support for marriage.
○ we fail to reject Ho. We do not have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support
for marriage and the proportion of parents who say they would provide financial support for marriage.
○ we fail to reject Ho. We have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for
marriage and the proportion of parents who say they would provide financial support for marriage.
Transcribed Image Text:A report summarizes a survey of people in two independent random samples. One sample consisted of 500 young adults (age 19 to 35) and the other sample consisted of 300 parents of children age 19 to 35. The young adults were presented with a variety of situations (such as getting married or buying a house) and were asked if they thought that their parents were likely to provide financial support in that situation. The parents of young adults were presented with the same situations and asked if they would be likely to provide financial support to their child in that situation. (a) When asked about getting married, 41% of the young adults said they thought parents would provide financial support and 43% of the parents said they would provide support. Carry out a hypothesis test to determine if there is convincing evidence that the proportion of young adults who think parents would provide financial support and the proportion of parents who say they would provide support are different. (Use α = 0.05. Use a statistical computer package to calculate the P-value. Use Myoung adults - "parents" Round your test statistic to two decimal places and your P-value to three decimal places.) Z = P-value = State your conclusion. O We reject Ho. We do not have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage and the proportion of parents who say they would provide financial support for marriage. ○ We reject Ho. We have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage and the proportion of parents who say they would provide financial support for marriage. ○ we fail to reject Ho. We do not have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage and the proportion of parents who say they would provide financial support for marriage. ○ we fail to reject Ho. We have convincing evidence of a difference between the proportion of young adults who think that their parents would provide financial support for marriage and the proportion of parents who say they would provide financial support for marriage.
(b) The report stated that the proportion of young adults who thought parents would help with buying a house or apartment was 0.37. For the sample of parents, the proportion
who said they would help with buying a house or an apartment was 0.27. Based on these data, can you conclude that the proportion of parents who say they would help with
buying a house or an apartment is significantly less than the proportion of young adults who think that their parents would help? (Use α = 0.05. Use a statistical computer
package to calculate the P-value. Use Myoung adults - Mparents. Round your test statistic to two decimal places and your P-value to four decimal places.)
z =
P-value =
State your conclusion.
○ we fail to reject Ho. We have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of
young adults who think that their parents would help.
We reject Ho. We do not have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of
young adults who think that their parents would help.
○ We reject Ho. We have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young
adults who think that their parents would help.
○ We fail to reject Ho. We do not have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the
proportion of young adults who think that their parents would help.
Transcribed Image Text:(b) The report stated that the proportion of young adults who thought parents would help with buying a house or apartment was 0.37. For the sample of parents, the proportion who said they would help with buying a house or an apartment was 0.27. Based on these data, can you conclude that the proportion of parents who say they would help with buying a house or an apartment is significantly less than the proportion of young adults who think that their parents would help? (Use α = 0.05. Use a statistical computer package to calculate the P-value. Use Myoung adults - Mparents. Round your test statistic to two decimal places and your P-value to four decimal places.) z = P-value = State your conclusion. ○ we fail to reject Ho. We have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young adults who think that their parents would help. We reject Ho. We do not have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young adults who think that their parents would help. ○ We reject Ho. We have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young adults who think that their parents would help. ○ We fail to reject Ho. We do not have convincing evidence that the proportion of parents who say they would help with buying a house or apartment is less than the proportion of young adults who think that their parents would help.
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