Question

In a sample of 160 children selected randomly from one town, it is found that 35...

In a sample of 160 children selected randomly from one town, it is found that 35 of them

suffer from asthma.

a) Construct a 99% confidence interval.

b) At the 0.05 significance level, test the claim that the proportion of all children in the town

who suffer from asthma is 11%.

Math   Statistics-And-Probability   
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