Suppose an Actual Census Showed That 18

Suppose an actual census showed that 18.4% of the households in California have incomes in excess of $50,000.What is the probability that the sample proportion will be 0.22 or greater for a random sample of 750 households from a city population which totals 10,000?

A) 0.0055
B) 0.9945
C) 0.9949
D) 0.0041
E) Not enough information given for estimation.

Correct Answer:

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