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An simple random sample (SRS) of 100 laborers who use the services of a national temporary employment agency found that in the past year the average number of days worked by these laborers was = 107 days, with standard deviation s = 45 days. Assume the distribution of the number of days worked in the population of laborers using this employment agency is approximately normal, with mean u. Are these data evidence that u has lowered from the value of 120 days of 5 years ago? To determine this, we test the hypotheses Ho : µ = 120 vs Ha : µ < 120 Based on the data, provide the P-value. Round your final answer to 4 decimal places.

An simple random sample (SRS) of 100 laborers who use the services of a national temporary employment agency found that in the past year the average number of days worked by these laborers was = 107 days, with standard deviation s = 45 days. Assume the distribution of the number of days worked in the population of laborers using this employment agency is approximately normal, with mean u. Are these data evidence that u has lowered from the value of 120 days of 5 years ago? To determine this, we test the hypotheses Ho : µ = 120 vs Ha : µ < 120 Based on the data, provide the P-value. Round your final answer to 4 decimal places.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 7E
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[Statistics: Confidence Intervals and Hypothesis Testing] How do you solve this, will upvote if done quickly

An simple random sample (SRS) of 100 laborers who use the services of a national temporary employment agency found that in the past year the average number of days worked by these laborers was ¤ = 107 days, with standard deviation s = 45 days. Assume the distribution of the number of days worked in the population of laborers using this employment agency is approximately normal, with mean u. Are these data evidence that u has lowered from the value of 120 days of 5 years ago? To determine this, we test the hypotheses Ho : µ = 120 vs Ha : µ < 120 Based on the data, provide the P-value. Round your final answer to 4 decimal places.
Transcribed Image Text:An simple random sample (SRS) of 100 laborers who use the services of a national temporary employment agency found that in the past year the average number of days worked by these laborers was ¤ = 107 days, with standard deviation s = 45 days. Assume the distribution of the number of days worked in the population of laborers using this employment agency is approximately normal, with mean u. Are these data evidence that u has lowered from the value of 120 days of 5 years ago? To determine this, we test the hypotheses Ho : µ = 120 vs Ha : µ < 120 Based on the data, provide the P-value. Round your final answer to 4 decimal places.
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