Question

1 points 15. My Notes A genetic theory says that a cross between two pink flowering plants will produce red flowering plants 25% of the time. How large a sample is needed we would like to assert with 95% confidence that the sample proportion is off by at most 0.02%? 746 607 O1801 305 252 Viewing Saved Work Revert to Last Response OOOOO

Answer 1

Given. Margin of error (E)=0.02 Level of significance (a)=0.05 The population proportion (p = 0.25 Critical value for 95% confidence level is, 1.96 Use the formula, to find the sample size (-as) p(1-P) n = (1.96)ºx(0.25)(1-0.25) (0.02) =1800.75 1801 Correct Answer: Option (c)