1. Use the given degree of confidence and Sample data to construct a confidence

Question

1. Use the given degree of confidence and Sample data to construct a confidence interval for the population proportion p. In equals 87, x equals 48, 98%
2. find the minimum sample size you should use to assure that your estimate of P hat will be within the required margin of error around the population P. Margin of error 0.006 confidence level 95%. pHat and Q hat are unknown

Test 4 Quiz ime Left: 1:11:21 Cassidy Bailey: Attempt 1 Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. n = 87, x 48; 98 percent O a) 0.448

Explanation / Answer

Please post 1 Qn per post, here' the answer to the Q4:

n = 87
x= 48
CI = 98%

CI for population prop, p ?
Point estimate = x/n = 48/87 = .552

CI is .552 + 2.33*sqrt(.552*.448/87) = 0.428 to 0.676

Answer is b)

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