Question
It was discovered that 80% of CUNY college students require some form of financial aid. In a group of 12 students, find the probability that: a) 10 students require some form of financial aid. b) Less than 11 require financial aid. c) Between 9 and 11 (inclusive) require financial aid. The heights of men at a gym are normally distributed with mu = 70 in and sigma = 3 in a) What percent of these men are between 68^in & 74^in tall. (inclusive) b) Greater than 74^in tall. c) Less than 67^in tall.
Explanation / Answer
3) a) 0.2835
b) 0.7251
c) 0.4896
4) a)percentage between 68 and 74 inches is 65.63%
b) P(X>74) = 0.0912
c) P(X< 67) = 0.1587