Platfore Preferret NLle/Laptop Viewer Age 28 to 34 35 to 54 557 Celun Totel Device TV Screen Row Total 24 14 39 63 28 14 55 45 100 Find the following probablites or percentages (e) Probabity that a viewer s aged 18 to 34 (Round your answer to 2 decimal pleces) Probabity (b) Probabity tha preters watching videos on a 1 screen (Round your ans

Q: A box contains 10 red, 6 blue, and 4 green marbles.  What is the probabilty to withdraw a marble…

A: According to the given information, we have There are 20 marbles in a box. Number of red marbles =…

Q: First National Bank employs three real estate appraisers whose job is to establish a property's…

A: a-1. Null hypothesis: H0: The average values do not significantly differ by appraiser. Alternative…

Q: Food inspectors inspect samples of food products to see if they are safe. This can be thought of as…

A:

Q: Number of voters 8 17 13 8 9 1st choice C C A A 2nd choice B A A B 3rd choice D B B D 4th choice A B…

A: Answer

Q: The contingency table below shows the results of a random sample of 200 state representatives that…

A: The hypothesis is, Null hypothesis: H0: The variables opinions on a bill and party affiliations are…

Q: d) A report indicates that 85% of 220 Parliament members agree with the proposal to reduce the…

A:

Q: First National Bank employs three real estate appraisers whose job is to establish a property's…

A: (As our protocol since you didn't mention which questions we shall answer only first three) a-1)…

Q: During the recent primary elections, the democratic presidential candidate showed the following…

A: Given, State Voters Surveyed    Voters in favor of Democratic Candidate Alabama 710…

Q: A newspaper had the following headline. "People Against New Breed-Specific Dog Ban" The reporter who…

A: Population: A population is the collection of all possible events for an experiment. Sample: A…

Q: Which statement about student art prefernces is unbiased? A.surveying the first 5 students entering…

A: Statement which is unbiased is

Q: An experiment has sample space S = {a,b,c,d}. Suppose Pr({a,c,d})= 0.71 and Pr({b,c})= 0.42. 1. What…

A: Given information: An experiment has sample space S = {a, b, c, d}. Given probabilities are P{a, c,…

Q: The Mayor of Bayou City’s subsequent statement that 60% of Bayou City's 3,000 homes are in violation…

A:

Q: A coin is flipped three times and the result is recorded each time. e(i). What is the sample space?…

A:

Q: 9 people are sitting in a  round table .find the probabilty that 3 people are always seated together

A: Giventotal no.of peoples=9

Q: Font Existing procurement practices in Ghana Highway Authority 1 Threshold, complexity and urgent…

A: Mean, and standard deviation are important measures of central tendency and variation.

Q: 11. A telecommunication company proposed construction of a cell site tower in a certain city. To…

A: Given : x1= 250.0 n1= 400 x2= 360.0 n2= 500 significance level, 0.025

Q: A sample of 34l people is selected. The people are classified according to plece of residence…

A:

Q: 12. Political Science, Inc. (PSI) specializes in voter polls and surveys designed to keep political…

A: Given,margin of error(E)=0.03sample proportion(p^)=0.44α=1-0.99=0.01α2=0.005Z0.005=2.5758   (from…

Q: A class president is chosen by a popular vote. The winner of this election will be chosen by…

A: Given: 1st Place Sergio Maria Alison Alison 2nd Place Alison Alison Maria Sergio 3rd Place…

Q: 8) The contingency table below shows the results of a random sample of representatives that was…

A: The null and alternative hypotheses are Null Hypothesis:   H0: Opinion is independent of party…

Q: Assume that a fair die is rolled. The sample space is 1, 2, 3, 4, 5, 6 and all the outcomes are…

A:

Q: survey of 64 informed voters revealed the following information: 45 believe that Elvis is still…

A: Given , Total voters = 64 A = 45 believe that Elvis is still alive B =  49 believe that they have…

Q: (4) Using one "regular balanced' (or fair) cight sided-dic. (a) calculate the number of possible…

A: Using one regular balanced (or) fair eight sided die a) calculate the number of possible outcomes…

Q: 50. A restaurant places cards on the dining tables, inviting cus- tomers to complete an online…

A: Given, in a restaurant places cards on the dining tables, inviting customers to complete an online…

Q: Assume that a fair die is rolled. The sample space is {1, 2, 3, 4, 5, 6}, and all the outcomes are…

A: Given that  A fair dice roll  Total sample space=S=(1,2,3,4,5,6) All the outcomes are equally likely

Q: The sample space contains 9 As and 5 Bs. What is the probablity that a randomly selected set of 3…

A: We have to find given probability..

Q: If joe randomly selects one survey participant, what is the proba6that the selected participants is…

A: Total number of participants,N = 6 Number of participants younger than 10, N10 = 0 Number of…

Q: 2) Based on the McClatchy-Marist Poll summarized below, can we conclude that the majority of…

A:

Q: A politician asked his constituents via a Facebook poll to help him how he should vote on a bill…

A: Solution: Given information: n= 19600 sample size  p^=0.78 Sample proportion

Q: Local news The mayor of a small city has suggested that the state locate a new prison there, arguing…

A:

Q: 9) "If there is a choice that has a majority of the first-place votes in an election, then that…

A: In an election , if the candidate  elected has majority of first place voter , that is called…

Q: Find the degrees of freedom needed for a test of independence.   Male Female Voted 12 15 Did not…

A:

Q: Citizens in an urban area where asked whether or not they favored a particular bond issue.  The…

A: Solution: The observed count table is    Approve Disapprove Neither approve nor Disapprove Row…

Q: 19. A local television station sent out questionnaires to determine if viewers would rather see a…

A:

Q: Mr. CDE was tasted to do a CPM in preparation for the annual strategic planning of ABC Company. The…

A: More is the score, more competitive the company is. Therefore, by the given data, the companies with…

Q: A sample of 429 people is selected. The people are classified according to place of residence…

A: Given that contingency table. Now using this table find required relative frequency...

Q: . A classroom teacher gave a quiz to 15 students. The scores obtained are as follows: 8, 10,10, 5,…

A:

Q: We do a survey of student devices. We find that 40% of students own a desktop computer, and 30% of…

A:

Q: The government of a large city needs to determine whether the​ city's residents will support the…

A: Aim of the study: The government of a large city needs to determine whether the​ city's residents…

Q: overnment of large large city needs to determine whether the city citizens residents Will support…

A: A sample is a set of data that is randomly collected from a population through a process of…

Q: 5. A vote is to be taken among the residents of a town and the surrounding county to determine…

A: Givenx1=120n2=200p^1=x1n1=120200=0.60x2=240n2=500p^2=x2n2=240500=0.48α=0.05

Q: 9. In order to investigate a rumor that there is a greater than expected number of girls among the…

A: Hypotheses:Denote p as the true population proportion of girl children of chemists.The chemistry…

Q: Feeling that local firms follow discriminatory hiring practices, a nonprofit firm conducts the…

A: Data Whites Blacks Job offered in the white area 120 50 Job offered in the black area 80 90…

Q: A telecommunication company proposed construction of a cell site tower in a certain city. To…

A: We wan to test the hypothesis

Q: Use the given contingency table to answer the following questions. All selections are made from the…

A: General formula of probability :  Probability = Number of favorable outcomes Total outcomes

Q: Assuming that no questions are left​ unanswered, in how many ways can a six​-question quiz with…

A: Given: In a quiz there are six question each have 4 choices.if no question are left unanswered.…

Q: 8. In a recent poll, 23% of the respondents supported candidates A, 19% supported candidate B. 12%…

A: Given: P(A) = 0.23 P(B) = 0.19 P(C) = 0.13 P(undecided) = 0.45 n(total) = 7 n(A) = 2 n(B) = 2 n(C) =…

Q: A random sample of 170 students were asked if they owned a pet or not. The following contingency…

A: For an event, the probability is defined as the P(Event)=Likelihood of occurrence of the same event…