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irakobra [83]
1 year ago
13

In two common species of flowers, A and B, the proportions of flowers that are blue are and ,

Advanced Placement (AP)
1 answer:
enot [183]1 year ago
4 0

Answer:

A.) Pa - Pb

Explanation:

Given that:

A and B are common species of flower ;

Proportion of blue flowers are Pa and Pb for the two species respectively ;

Sample Proportion of blue flower;

Species A = P'a

Species B = P'b

Mean of sampling distribution P'a - P'b

Since the samples are independent and drawn at random, the mean of sampling distribution equals Pa - Pb

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