Asked by sharon
In a random sample of 400 electrical components,100 are found to be defective.if the hypothesis is that 20% of the components are defective,what is the standard error of the sample proportion
Answers
Answered by
MathGuru
Standard error = √(pq/n)
From your problem:
p = 100/400, q = 1 - p, and n = 400.
Convert all fractions to decimals.
I'll let you take it from here.
From your problem:
p = 100/400, q = 1 - p, and n = 400.
Convert all fractions to decimals.
I'll let you take it from here.
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