Seventeen percent of people in a city eligible to donate blood actually do You r

Question

Seventeen percent of people in a city eligible to donate blood actually do You randomly select lour eligible blood donors and ask them if they donate Wood Complete parts (a) through (d) below. Find the mean of the binomial distribution. mu = (Round to the nearest hundreth as needed.) Find the variance of the binomial distribution. sigma^2 = (Round to the nearest hundreth as needed.) Find the standard deviation of the binomial distribution. sigma = (Round to the nearest hundreth as needed.) Interpret the results in the context of the real-life situation. On average, eligible adult(s) out of every 4 gives blood. The standard deviation is, so in most samples of four eligible adults the number of adults who donate blood would differ from the average number by no more than. (Round to two decimal places as needed.)

Explanation / Answer

answer
Mean=np=4*0.7=2.8
variance=npq=2.8*0.3=0.84
standard deviation=0.9165

2.8
0.9165
1

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