Mathematics, 05.11.2019 03:31, jvsome8
Suppose that a committee is studying whether or not there is waste of time in our judicial system. it is interested in the mean amount of time individuals waste at the courthouse waiting to be called for jury duty. the committee randomly surveyed 81 people who recently served as jurors. the sample mean wait time was eight hours with a sample standard deviation of four hours.
a.
i. x¯= 8
ii. sx = 4
iii. n = 81
iv. n – 1 = 80
b. define the random variables x and x¯in words. x is amount of time individuals waste at the courthouse waiting to be called for jury duty. x- is mean amount of time that sample of 81 people who recently served at jurors.
c. which distribution should you use for this problem? explain your choice.
d. construct a 95% confidence interval for the population mean time wasted.
i. state the confidence interval.
ii. sketch the graph.
iii. calculate the error bound.
e. explain in a complete sentence what the confidence interval means.
Answers: 3
Mathematics, 21.06.2019 19:30, viodsenpai
John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points
Answers: 1
Mathematics, 21.06.2019 21:00, alexkrol10
Describe how making an ‘and’ compound sentence effects your solution set
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