Question #218396

The random variable Z has a standard normal distribution. Find the value of b if


1) P(b<Z<2.133)=0.1618


1
Expert's answer
2021-07-19T05:45:18-0400
P(b<Z<2.133)=P(Z<2.133)P(Zb)P(b<Z<2.133)=P(Z<2.133)-P(Z\leq b)

0.9835P(Zb)=0.1618\approx0.9835-P(Z\leq b)=0.1618

P(Zb)0.8217P(Z\leq b)\approx0.8217

b0.922b\approx0.922


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