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horsena [70]
3 years ago
9

1. How can you find answers to the statistical questions?

Mathematics
1 answer:
Aleks04 [339]3 years ago
3 0

1 The solution involves four steps.

Make sure the sample size is big enough to model differences with a normal population. ...

Find the mean of the difference in sample proportions: E(p1 - p2) = P1 - P2 = 0.52 - 0.47 = 0.05.

Find the standard deviation of the difference. ...

Find the probability.

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