Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Question 13 of 20 (1 point) | Question Attempt: 1 of Unlimited David V It seems these days that college graduates who are employed full-time
Question 13 of 20 (1 point) | Question Attempt: 1 of Unlimited David V It seems these days that college graduates who are employed full-time work more than 40-hour weeks. Data are available that can help us decide if this is true. A survey was recently sent to a group of adults selected at random. There were 19 respondents who were college graduates employed full-time. The mean number of hours worked per week by these 19 respondents was 42 hours, with a standard deviation of 8 hours. Assume that the population of hours worked per week by college graduates employed full-time is normally distributed with mean , Can we conclude that It is greater than 40 hours? Use the 0.05 level of significance. Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) (a) State the null hypothesis Ho and the alternative hypothesis H. H O P H :D X S P H :0 (b) Determine the type of test statistic to use. (Choose one) O-0 OSO 020 (c) Find the value of the test statistic. (Round to three or more decimal places.) X (d) Find the p-value. (Round to three or more decimal places.) 0 (e) Can we conclude, at the 0.05 level of significance, that the mean number of hours worked per week by college graduates le greater than 10 houre
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access with AI-Powered Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started