# probability of sample proportion by normal approxiamtion

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40% of households prefer new package.

The probability that a random sample of 300 households will have a sample proportion greater than .45 is: ______

The probability that the 300 household sample proportion will be between .35 and .45 is: _____.

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40% of households prefer new package.

The probability that a random sample of 300 households will have a sample proportion greater than .45 is: ______

The ...

#### Solution Summary

The solution shows how to calculate the probability of sample proportion, which has an approximately normal distribution.

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