In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25. Suppose 30 adults from this population are randomly selected for a market research campaign. The probability that the sample mean IQ is greater than 115 is: a.0.019. b.0.256. c.0.328. d.0.461. A company has three divisions and three conference rooms for meetings. To keep track of the use of their facilities, for each meeting the company records the name of the division holding the meeting, the conference room used, and the length of time of the meeting. Which of the variables is quantitative? a.the name of the division holding the meeting b.the conference room used c.the length of time of the meeting d.All of the answer options are correct.

According to the given information in this question There are two questions according to bartleby we…

In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25. Suppose 30 adults from this population are randomly selected for a market research campaign. The probability that the sample mean IQ is greater than 115 is: a. 0.019. b. 0.256. c. 0.328. d. 0.461.

In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25. Suppose 30 adults from this population are randomly selected for a market research campaign. The probability that the sample mean IQ is greater than 115 is: a. 0.019. b. 0.256. c. 0.328. d. 0.461.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25. Suppose 30 adults from this population are randomly selected for a market research campaign. The probability that the sample mean IQ is greater than 115 is:

a.
0.019.

b.
0.256.

c.
0.328.

d.
0.461.

A company has three divisions and three conference rooms for meetings. To keep track of the use of their facilities, for each meeting the company records the name of the division holding the meeting, the conference room used, and the length of time of the meeting. Which of the variables is quantitative?

a.
the name of the division holding the meeting

b.
the conference room used

c.
the length of time of the meeting

d.
All of the answer options are correct.