probability that an individual has 20-20 vision is 0.16. In a class of 90 students, what is the mean and standard deviation of the number with 20-20 vision in the class? Round to the nearest thousandth.
A.
The mean is 90. The standard deviation is 1.1.
B.
The mean is 14.4. The standard deviation is 3.478.
C.
The mean is 90. The standard deviation is 1.2.
D.
The mean is 1.44

Question

Candyland1994 Candyland1994

07-07-2021
Mathematics

Answered

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probability that an individual has 20-20 vision is 0.16. In a class of 90 students, what is the mean and standard deviation of the number with 20-20 vision in the class? Round to the nearest thousandth.
A.
The mean is 90. The standard deviation is 1.1.
B.
The mean is 14.4. The standard deviation is 3.478.
C.
The mean is 90. The standard deviation is 1.2.
D.
The mean is 1.44

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