Homework Answers
mean = 8
and std. dev. = 2
for top 10%, the z-value is 1.28
Using central limit theorem,
x = mean + z*sigma
x = 8 + 1.28*2
x = 10.56
option D
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#4 The number of interviews received within a month by TSU business graduates is normally distributed...
#4
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#4
The number of interviews received within a month by TSU business graduates is normally distributed with a mean of 8 interviews and a standard deviation of 2 interviews. 15% of all graduates receive no more than how many interviews? 5.93 6.47 7.84 8.31
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2. The high temperature in Chicago for the month of August is approximately normally distributed with mean u = 80° F and standard deviation o = 8' F. a. What is the probability that a randomly selected day in August has a high temperature less than 78°F ? b. What is the probability that a random sample...
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