april1987 april1987

14-08-2022
Mathematics

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A researcher wishes to estimate the proportion of adult males who are under 5 feet 5 inches tall. She wants to be 90% confident that her estimate is within 5% of the true proportion. How large a sample should be taken if in a sample of 300 males, 30 were under 5 feet 5 inches tall?

Respuesta :

seokjinnie777 seokjinnie777

14-08-2022

Answer:

270 people

Step-by-step explanation:

Because she wants to 90% confident, the number of people she should sample is 90% * 300.

90% * 300 = 0.90 * 300 = 270

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