brendon09100 brendon09100

21-05-2020
Mathematics

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If a sample has 60 participants and is a proportion of p=0.25 of its population, then what is the standard deviation of the sample?

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ronhagrid310 ronhagrid310

21-05-2020

Answer:

If a normal distribution is considered, a standard deviation (SD) is accounted for 34% (0.34 of population).

60 participants <=> p = 0.25

SD <=> p = 0.34

=> SD = 60 x 0.34/0.25 = 81.6 = ~82 participants.

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