6-TP 2 Isa standard normal vatiable,Fad the probebity Pea.25242.22) o. 2552 e.2211 L54 0.47P4

Question

Question

Answer 1

Answer #1

Z is Standard normal variabble

Z~Normal(0,1)

P(-0.73<Z<2.27)=P(Z<2.27)-P(Z<-0.73)

=0.9884-2327

=0.7557

# Value of z is Obtain From Standard normal table

P(-0.73<Z<2.27)=0.7557

Answer 2

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