Question: a Confidence Level a Za/2 2 2 90% 0.10 0.05 1.645 95% 0.05 0.025 1.960 99% 0.01 0.005 2.576 According to the table, for

a Confidence Level a Za/2 2 2 90% 0.10 0.05 1.645 95%

a Confidence Level a Za/2 2 2 90% 0.10 0.05 1.645 95% 0.05 0.025 1.960 99% 0.01 0.005 2.576 According to the table, for a 95% confidence level, we have Za/2 = 1.96 Step 2 1.960 At one point, it was estimated that 26% of stay-at-home parents were fathers. Since this is the only known estimate, it will be used to find the planning value for the population p*. p* given percentage = = 100% % 100%

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