(a) find the mean the binomial distribution. (b) find the variance of the binomi

Question

(a) find the mean the binomial distribution. (b) find the variance of the binomial distribution (c) find the standard deviation of the binomial distribution (d) 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 __, C Secure AT103-Spring 2018 est: Chapter 4 Test This Question: 1 pt This Test: 15 pts poss bie a) Find the mean of the binomial dbuon binomial uui K. E command option troloptlon command

Explanation / Answer

Result:

Seventeen percent of people in a city eligible to donate blood actually do. You randomly select four eligible blood donors and ask them if they donate blood. Complete parts (a) through (d) below.

n=4, p=0.17

P(X = 0.68) = 0

Expectation = np = 0.68

Variance = np(1 - p) = 0.5644

Standard deviation = 0.75126559884

(a) find the mean the binomial distribution.

0.68

(b) find the variance of the binomial distribution

0.56

(c) find the standard deviation of the binomial distribution

0.75

(d) interpret the results in the context of the real-life situation

On average, 0.68 eligible adult(s) out of every 4 gives blood. The standard deviation is 0.75, 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 0.75,

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