Question

Out of 600 people sampled, 90 had kids. Based on this, construct a 99% confidence interval for the true population proportion of people with kids.

Answer 1

90 x= no. of people having kids Sample Sample proportan pax n = Sumple size = 600 90 600 = 0.15 The critical value for a 0.01 Zc = Zd/2 = 2.576 997. confidence intorwal û caluclated at P(1-P) CI P-ZC P+ Zc P(1-P) 1 n 045-0.45 1) 6.15-2.576 Goo 0.15 + 2.576 0.15 (1-0-15) 600 1 young (0-1244,0.18755) Thortore bated on data 997. Confidence interval for the population proportion is 10.11.244 <P < 0+18755 data provided the

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