Question

The population proportion for a certain characteristic is 0.48. In a sample of100 people, 45 had that characteristic.Which equation correctly describes the point estimate?A. p = 0.45B. P = 0.45c. p = 0.48O D. P = 0.48

Answer 1

SOLUTION

The point estimate denoted with the symbol p is calculated with this formula.

$p=\frac{successes}{total\text{ sample}}$

From the question:

successes = 45 (the reason is that we were told that 45 had that characteristic, in other words 45 were successful)

Total sample = 100 ( a sample of 100 people)

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