Scores for a common standardized college aptitude test are normally distributed with a mean of516 and a standard deviation of 110. Randomly selected men are given a Test Prepartion Coursebefore taking this test. Assume, for sake of argument, that the test has no effect.10If 1 of the men is randomly selected, find the probability that his score is at least 553.4.P(X> 553.4) =Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.1If 17 of the men are randomly selected, find the probability that their nean score is at least 553.4.P(M > 553.4) =%3DMOEnter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.C222If the random sample of 17 men does result in a mean score of 553.4, is there strong evidence to221support the claim that the course is actually effective?O No. The probability indicates that is is possible by chance alone to randomly select a group ofstudents with a mean as high as 553.4.33O Yes. The probability indicates that is is (highly ?) unlikely that by chance, a randomly selectedgroup of students would get a mean as high as 553.4.33.31222222N 222 233 333.

If 1 of the men is randomly selected, find the probability that his score is at least 553.4. P(X> 553.4) = Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z- scores or z-scores rounded to 3 decimal places are accepted. If 17 of the men are randomly selected, find the probability that their nean score is at least 553.4. P(M> 553.4) = Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z- scores or z-scores rounded to 3 decimal places are accepted. If the random sample of 17 men does result in a mean score of 553.4, is there strong evidence to

If 1 of the men is randomly selected, find the probability that his score is at least 553.4. P(X> 553.4) = Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z- scores or z-scores rounded to 3 decimal places are accepted. If 17 of the men are randomly selected, find the probability that their nean score is at least 553.4. P(M> 553.4) = Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z- scores or z-scores rounded to 3 decimal places are accepted. If the random sample of 17 men does result in a mean score of 553.4, is there strong evidence to

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Scores for a common standardized college aptitude test are normally distributed with a mean of
516 and a standard deviation of 110. Randomly selected men are given a Test Prepartion Course
before taking this test. Assume, for sake of argument, that the test has no effect.
10
If 1 of the men is randomly selected, find the probability that his score is at least 553.4.
P(X> 553.4) =
Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z-
scores or z-scores rounded to 3 decimal places are accepted.
1
If 17 of the men are randomly selected, find the probability that their nean score is at least 553.4.
P(M > 553.4) =
%3D
MO
Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z-
scores or z-scores rounded to 3 decimal places are accepted.
C2
2
2
If the random sample of 17 men does result in a mean score of 553.4, is there strong evidence to
2
21
support the claim that the course is actually effective?
O No. The probability indicates that is is possible by chance alone to randomly select a group of
students with a mean as high as 553.4.
3
3
O Yes. The probability indicates that is is (highly ?) unlikely that by chance, a randomly selected
group of students would get a mean as high as 553.4.
3
3.
3
1222222N 222 233 33
3.

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