WidowsA recent study indicated that

23

%

of the192

women over age55

in the study were widows. Round up your answers to the next whole number for the following questions.

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How large a sample must you take to be

90

%

confident that the estimate is within0.05

of the true proportion of women over age55

who are widows?

Widows A recent study indicated that 23% of the 192 women over age 55 in the study were widows. Round up your answers to the next whole number for the following quetions. How large a sample must you take to be 90% condent that the estimate is within 0.05 of the true proportion of women over age 55 who are widows? :D