Claim: The mean IQ score of students in a largestatistics class is less than 127. A simple random sample of the students has a mean IQ score of 105.5. Choose the correct answer below. A. The sample is unusual if the claim is true. The sample is not unusual if the claim is false. Therefore, there is sufficient evidence to support the claim. B. The sample is not unusual if the claim is true. The sample is unusual if the claim is false. Therefore, there is sufficient evidence to support the claim. C. The sample is unusual if the claim is true. The sample is not unusual if the claim is false. Therefore, there is not sufficient evidence to support the claim. D. The sample is not unusual if the claim is true. The sample is unusual if the claim is false. Therefore, there is not sufficient evidence to support the claim.
Claim: The mean IQ score of students in a largestatistics class is less than 127. A simple random sample of the students has a mean IQ score of 105.5. Choose the correct answer below. A. The sample is unusual if the claim is true. The sample is not unusual if the claim is false. Therefore, there is sufficient evidence to support the claim. B. The sample is not unusual if the claim is true. The sample is unusual if the claim is false. Therefore, there is sufficient evidence to support the claim. C. The sample is unusual if the claim is true. The sample is not unusual if the claim is false. Therefore, there is not sufficient evidence to support the claim. D. The sample is not unusual if the claim is true. The sample is unusual if the claim is false. Therefore, there is not sufficient evidence to support the claim.
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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Make a decision about the given claim. Use only the rare event rule, and make subjective estimates to determine whether events are likely. For example, if the claim is that a coin favors heads and sample results consist of 11 heads in 20 flips, conclude that there is not sufficient evidence to support the claim that the coin favors heads (because it is easy to get 11 heads in 20 flips by chance with a fair coin).
Claim: The mean IQ score of students in a largestatistics
class is less than
A.
B.
C.
D.
class is less than
127. A simple random sample of the students has a mean IQ score of 105.5.
Choose the correct answer below.
The sample is unusual if the claim is true. The sample
is not unusual if the claim is false. Therefore, there
is sufficient evidence to support the claim.
The sample is not unusual if the claim is true. The sample
is unusual if the claim is false. Therefore, there
is sufficient evidence to support the claim.
The sample is unusual if the claim is true. The sample
is not unusual if the claim is false. Therefore, there
is not sufficient evidence to support the claim.
The sample is not unusual if the claim is true. The sample
is unusual if the claim is false. Therefore, there
is not sufficient evidence to support the claim.
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