An audit finds that the dollar amounts of invoices have a mean of $1,662 anda standarddeviation of $302. What is the probability that for a sample of 50 invoices, the average invoiceis less than $1,550?O a. 0.040O b. 0.0044O c. 0.9956O d. None of the suggested answers are correctO e.0.437In a positively skewed distribution, which of the following is the correct statement?O a.The distance from Q, to Q, is always smaller than the distance from Q, to Q3O b. The distance from Q, to Q3 is twice the distance from the Xsmallest to XjargestО с.None of the suggested answers are correctO d. The distance from the Xsmallest to Q2 is shorter than the distance from Q2 to Xargestе.The distance from the Xsmallest to Q1 is shorter than the distance from Q3 to Xjargest

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An audit finds that the dollar amounts of invoices have a mean of $1,662 anda standard deviation of $302. What is the probability that for a sample of 50 invoices, the average invoice is less than $1,550?

An audit finds that the dollar amounts of invoices have a mean of $1,662 anda standard deviation of $302. What is the probability that for a sample of 50 invoices, the average invoice is less than $1,550?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

An audit finds that the dollar amounts of invoices have a mean of $1,662 anda standard
deviation of $302. What is the probability that for a sample of 50 invoices, the average invoice
is less than $1,550?
O a. 0.040
O b. 0.0044
O c. 0.9956
O d. None of the suggested answers are correct
O e.
0.437
In a positively skewed distribution, which of the following is the correct statement?
O a.
The distance from Q, to Q, is always smaller than the distance from Q, to Q3
O b. The distance from Q, to Q3 is twice the distance from the Xsmallest to Xjargest
О с.
None of the suggested answers are correct
O d. The distance from the Xsmallest to Q2 is shorter than the distance from Q2 to Xargest
е.
The distance from the Xsmallest to Q1 is shorter than the distance from Q3 to Xjargest

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