Essay
An applicant must score at least 80 points on a particular psychological test to be eligible to join CUSO (Canadian University Services Overseas). From several years' experience, it is known that 60% of the applicants meet this requirement. Let the random variable x be the number of applicants who meet this requirement out of a (randomly selected) group of 25 applicants.
a. Find the mean of x.
b. Find the standard deviation of x.
c. Using the Empirical Rule, within what limits would you expect most (say, 95%) of the measurements to be?
Correct Answer:
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a. 
= np = 15
b. = 2.45
c. We...View Answer
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Correct Answer:
Verified
= np = 15b.
= 2.45c. We...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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