Mathematics
Mathematics, 11.05.2021 17:20, hasshh

A study of the career paths of hotel general managers sent questionnaires to an SRS of 280 hotels belonging to major U. S. hotel chains. There were 167 responses. The average time these 167 general managers had spent with their current company was 11.77 years. (Take it as known that the standard deviation of time with the company for all general managers is 4.5 years.) (a) Find the margin of error for a 90% confidence interval to estimate the mean time a general manager had spent with their current company: years (b) Find the margin of error for a 99% confidence interval to estimate the mean time a general manager had spent with their current company: years (c) In general, increasing the confidence level the margin of error (width) of the confidence interval. (Enter: ''DECREASES'', ''DOES NOT CHANGE'' or ''INCREASES'', without the quotes.)

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:30, kalbaugh
What is another way to express 36 +32
Answers: 1
image
Mathematics, 21.06.2019 21:30, madisonsimmons1120
Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?
Answers: 2
image
Mathematics, 21.06.2019 23:30, amayax77
Find │–14β”‚ a. 14 b. –14 c. start fraction 1 over 14 end fraction
Answers: 2
image
Mathematics, 21.06.2019 23:30, luketrup
Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)
Answers: 1
Do you know the correct answer?
A study of the career paths of hotel general managers sent questionnaires to an SRS of 280 hotels be...

Questions in other subjects:

Konu
Mathematics, 18.12.2020 17:50