SOLUTION: In a sample of 88 children selected randomly from one town, it is found that 8 of them suffer from asthma. Find the test statistic for a test of the claim that the proportion of al

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Question 1053147: In a sample of 88 children selected randomly from one town, it is found that 8 of them suffer from asthma. Find the test statistic for a test of the claim that the proportion of all children in the town who suffer from asthma is equal to 11%.
How can I solve this using a calculator?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Ho: μ = .11
Ha: μ < .11
x̄ = 8/88 = .09
z+=blue+%28x+-+mu%29%2Fsqrt%28blue%28p%281-p%29%2Fn%29%29
z+=+%28.09-.11%29%2Fsqrt%28%28.11%2A.89%29%2F88%29