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A random sample of 30 binomial trials resulted in 12 successes.

July 4, 2020/in Feeds /by admin

A random sample of 30 binomial trials resulted in 12 successes. Test the claim that the population proportion of successes does not equal 0.50. Use a level of significance of 0.05.
(a) Can a normal distribution be used for the p̂ distribution? Explain.
Yes, np and nq are both less than 5.
Yes, np and nq are both greater than 5.
No, np is greater than 5, but nq is less than 5.
No, np and nq are both less than 5.
No, nq is greater than 5, but np is less than 5.