Question
Sick Days in Bed A researcher wishes to see if the average number of sick days a worker takes per year is less than5.A random
Sick Days in BedA researcher wishes to see if the average number of sick days a worker takes per year is less than5.A random sample of30workers at a large department store had a mean of4.8
.The standard deviation of the population is1.4. Is there enough evidence to support the researcher's claim at =0.05? Assume that the variable is normally distributed. Use the critical value method with tables.
State the hypotheses and identify the claim with the correct hypothesis.
H0: ?
H1: ?
Critical values: ?
Compute the test value. Always roundscore values to at least two decimal places.
z = ?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-text-image.webp)
Get Instant Access with AI-Powered Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-subtext-image.webp)
Step: 3
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-subtext-image.webp)
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started