The radius of a bulls-eye of the dash board is 8 inches. the radius of each concentric circle (there are 4 labeled A,B,C,D from
1 answer:
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Answer:
a)
b)
Step-by-step explanation:
Given that:
population mean = 30,000
sample size n = 800
population proportion p = 0.6
a)
The mean of the the sampling distribution is equal to the population proportion.
b)
The standard deviation of the sampling distribution can be estimated by using the formula: