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chelby580 chelby580
  • 27-05-2024
  • Mathematics
Answered

A random sample is to be selected from a population that has a proportion of successes p=.40. When n=400, what is the probability that a sample proportion falls between .39 and .42?

a) .460
b) .792
c) .202
d) .540
e) .600

Verified Answer :

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