Question 1206938
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Random samples of size n = 90 were selected from a binomial population with p = 0.3. 
Use the normal distribution to approximate the following probability. (Round your answer to four decimal places.)

P(0.28 ≤ p̂ ≤ 0.39) =
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Unclear.


My impression is that you do not know or do not understand what precisely you want to get.


In any case, you do not formulate it explicitly.