## Related questions with answers

Question

These statistics were calculated from two random samples:

$\hat{p}_1=.60 \quad n_1=225 \quad \hat{p}_2=.55 \quad n_2=225$

Calculate the p-value of a test to determine whether there is evidence to infer that the population proportions differ

Solution

VerifiedAnswered 1 year ago

Answered 1 year ago

Step 1

1 of 8Since we want to compare the proportion of the two populations, we should use the $Z$ - test because the sampling distribution of $\hat{p_x} - \hat{p_y}$ is approximately normally distributed.

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