Under the standard normal curve, find the area of the region between Z=-0.73 and 7222 O...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

1) Now , P(-0.73<Z<2.27)=P(Z<2.27)-P(Z<-0.73)

$=\Phi(2.27)-\Phi(-0.73)$

$=\Phi(2.27)-[1-\Phi(0.73)]$

=0.9884-1+0.7673=0.7557

2) Now , P(1.5<Z<2.5)=P(Z<2.5)-P(Z<1.5)

$=\Phi(2.5)-\Phi(1.5)$

=0.9938-0.9332=0.0606

Answer 2

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