Math 227 - Statistics » Fall 2020 » Sec 7.2 Quiz
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Question #1
A normal population has a mean μ = 29 and standard deviation σ = 6. What is the probability that a randomly chosen value will be greater than 36?
A.
0.191
B.
0.121
C.
0.122
D.
0.211
Question #2
The weights of 6-week-old poults (juvenile turkeys) are normally distributed with a mean 9.0 pounds and standard deviation 2.5 pound(s). Find the 75 percentile of the weights.
A.
10.67
B.
10.95
C.
11.52
D.
10.25
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