Answer to Question #43901 in Management for venotini

Question #43901
Question 1
Find the probabilities.
a. P(Z<1.50)
b. P(Z<-1.59)
c. P(1.14<Z<2.43)
d. P(-0.91<Z<-0.33)
e. P(Z>4.0)

Question 2
Given a normal distribution with μ=100 and σ=10, what is the probability that
a. X > 75
b. X < 70
c. X < 80 and X > 110

Question 3
The long-distance calls made by the employees of a company are normally distributed with a mean of 6.3 minutes and a standard deviation of 2.2 minutes. Find the probability that a call
a. Lasts between 5 and 10 minutes.
b. Lasts more than 7 minutes.
c. Lasts less than 4 minutes.
0
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