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Author Question: A cost accountant wishes to establish the average amount, , spent by executives per day on travel ... (Read 81 times)

kodithompson

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on: Jun 24, 2018
A cost accountant wishes to establish the average amount,  , spent by executives per day on travel and lodging. Then a comparison, between the average and the amount turned in to be reimbursed, will be made and unreasonably high or low expense amounts audited. A random sample of 50 executive expense receipts is taken. The average in the sample was 208 . From a similar survey the standard deviation of the amounts is approximately  = 29 . The accountant prepares a 90-percent confidence level for . What is the confidence interval? ___________________ _ to ___________________ _
 Fill in the blank(s) with correct word

Question 2

Determine the limits of the 75 confidence interval for , given that n = 90; x = 50; and  = 12. ___________________ _ to ___________________ _
 Fill in the blank(s) with correct word


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Briannahope

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Reply #1 on: Jun 24, 2018
Answer to Question 1

201.25; 214.75

Answer to Question 2

48.5; 51.5


kodithompson

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Reply 2 on: Jun 24, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
Excellent

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