6. (8 points) Find the minimum sample size needed if we wish to be 90% confident...

Question

Question

6. (8 points) Find the minimum sample size needed if we wish to be 90% confident and error to be within 2.5 when estimating p

math Statistics-And-Probability

Answer 1

Answer #1

Sol X = 1-0.90 - 0.10 = 1.645 - 20.05 Z912² Z0.10/2 Margin of essor, E = 2.5 = 15 find sample size , n Za 12* E = pe 2 on (20

Answer 2

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