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Chapter 7: Q.18 (page 428)

Find the probability that the sum of the 100 values falls between the numbers you found in and.

Short Answer

Expert verified

The probability that the sum of the 100 values falls betweenP(3900<危X<3910)=0.5433.

Step by step solution

01

Given Information

The researcher randomly selects a sample(n) is 100.

02

Explanation

To find the probability that the sum of the 100values falls betweenP(3900<危X<3910):=P3900-39015<Z<3910-39015

=P(-0.2<Z<1.8)

=P(Z<1.8)-Pr(Z<-0.2)

=0.9641-0.4208

=0.5433

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