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Sholpan [36]
3 years ago
9

In a random sample of 205 people, 149 said that they watched educational television. Find the 95% confidence interval of the tru

e proportion of people who watched educational television. Round intermediate answers to at least five decimal places.
Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0

Answer: Given a sample of 200, we are 90% confident that the true proportion of people who watched educational TV is between 72.1% and 81.9%.

Step-by-step explanation:

\frac{154}{200} =0.77

1-0.77=0.23

\sqrt{\frac{(0.77)(0.23)}{200} }=0.049

0.77±0.049< 0.819, 0.721

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