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Mnenie [13.5K]
3 years ago
14

In a large population, 92% of the households have cable tv. A simple random sample of 225 households is to be contacted and the

sample proportion computed. What is the mean and standard deviation of the sampling distribution of the sample proportions
Mathematics
1 answer:
skelet666 [1.2K]3 years ago
6 0

Answer:

the mean and the standard deviation is 0.92 and 0.01808 respectively

Step-by-step explanation:

The computation of the mean and the standard deviation is shown below:

The mean is 0.92

And, the standard deviation is

= √0.92 × (1 - 0.92) ÷ √225

= √0.92 × 0.08 ÷ √225

= √0.0736 ÷ √225

= √3.27

= 0.01808

Hence, the mean and the standard deviation is 0.92 and 0.01808 respectively

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