Consider the heights of men to be normally distributed with mean 60 in. and standard deviation 4 inches. Person A has a height of 55 in. and Person B a height of 63 inches. What is the z-score of the most EXTREME person?

Consider the track run time as normally distributed with mean 50 sec. and standard deviation of 5 seconds. What is the probability of a run time greater than 57 sec.?

Consider the heights of men to be normally distributed with mean 60 in. and standard deviation 4 inches. What is the 92nd percentile for the heights of men?

Suppose a known 75% of internet subscribers use videos. In a sample of 1000 subscribers, what is the probability that LESS THAN a proportion of 0.73 use videos?

Consider the mean of a random sample of size 125 from a population with mean 25 and standard deviation 9.5. Find the probability that the sample mean is greater than 26.