About

75%

of all female heart transplant patients will survive for at least 3 years.

Ninety

female heart transplant patients are randomly selected. What is the probability that the sample proportion surviving for at least 3 years will be less than

67%?

Assume the sampling distribution of sample proportions is a normal distribution. The mean of the sample proportion is equal to the population proportion and the standard deviation is equal to

pqn.

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Part 1

The probability that the sample proportion surviving for at least 3 years will be less than

67%

is

enter your response here.

(Round to four decimal places as needed.)