2. A statistic test has a mean of 78 and a standard deviation of 6. a) What is the z-score of a student who scored 89 on the test? b) What is the z-score of a student who scored 64 on the test? c) What is the z-score of a student who scored 78 on the test? d) What is the score of a student whose z-score is 1.24? e) What is the score of a student whose z-score is -.31? f) What is the score of a student whose z-score is -1?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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2. A statistic test has a mean of 78 and a standard deviation of 6.
a) What is the z-score of a student who scored 89 on the test?
b) What is the z-score of a student who scored 64 on the test?
c) What is the z-score of a student who scored 78 on the test?
d) What is the score of a student whose z-score is 1.24?
e) What is the score of a student whose z-score is -.31?
f) What is the score of a student whose z-score is -1?
3. For males in a certain towWn, the systolic blood pressure is normally distributed with a mean of
135 and a standard deviation of 8.
a) What is the probability that a randomly selected male's systolic blood pressure will be
greater than 143?
b) What is the probability that a randomly selected male's systolic blood pressure will be
less than 119?
Transcribed Image Text:2. A statistic test has a mean of 78 and a standard deviation of 6. a) What is the z-score of a student who scored 89 on the test? b) What is the z-score of a student who scored 64 on the test? c) What is the z-score of a student who scored 78 on the test? d) What is the score of a student whose z-score is 1.24? e) What is the score of a student whose z-score is -.31? f) What is the score of a student whose z-score is -1? 3. For males in a certain towWn, the systolic blood pressure is normally distributed with a mean of 135 and a standard deviation of 8. a) What is the probability that a randomly selected male's systolic blood pressure will be greater than 143? b) What is the probability that a randomly selected male's systolic blood pressure will be less than 119?
AIN C
c) What is the probability that a randomly selected male's systolic blood pressure will be
greater than 135?
d) What is the probability that a randomly selected male's systolic blood pressure will be
between 119 and 143?
e) What is the probability that a randomly selected male's systolic blood pressure will be
between 135 and 159?
Transcribed Image Text:AIN C c) What is the probability that a randomly selected male's systolic blood pressure will be greater than 135? d) What is the probability that a randomly selected male's systolic blood pressure will be between 119 and 143? e) What is the probability that a randomly selected male's systolic blood pressure will be between 135 and 159?
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