A survey of u.s adults found that 65%?would want their organs transplanted into

Question

A survey of u.s adults found that 65%?would want their organs transplanted into a patient who needs them if they were killed in an accident. You randomly select 110 adults and ask each if he or she would want their organs transplanted into a patient who needs them if they were killed in an accident. Estimate the probability that at least 70 people say yes? A survey of u.s adults found that 65%?would want their organs transplanted into a patient who needs them if they were killed in an accident. You randomly select 110 adults and ask each if he or she would want their organs transplanted into a patient who needs them if they were killed in an accident. Estimate the probability that at least 70 people say yes?

Explanation / Answer

Compute 1-proportion Z test to find the probability.

Z=(Ps-Pu)/sqrt [Pu(1-Pu)/N], where, Ps and Pu refer to sample and population proportion, N efer to ample size.

Z=(70/110-0.65) sqrt [0.65(1-0.65)/110]

=-0.30

The required probability is 0.3821.

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