margietay1 margietay1

26-04-2020
Mathematics

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In a survey sample of 83 respondents, about 30.1% of the sample work less than 40 hr per week. What is the estimated standard error of the proportion for this group?

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MathPhys MathPhys

26-04-2020

Step-by-step explanation:

The standard error for a proportion is √(pq/n), where q=1−p.

√(0.301 × 0.699 / 83) ≈ 0.050

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