Question

In: Statistics and Probability

Calculate the probability for the function: 1) P(-1.65 ≤ Z≤+1.78) and  2) P(Z≥1.34) Please show the process.

Calculate the probability for the function: 1) P(-1.65 ≤ Z≤+1.78) and  2) P(Z≥1.34)

Please show the process.

Solutions

Expert Solution

1) P(-1.65 ≤ Z≤+1.78)

=P(Z<1.78) -P(Z<-1.65)

=0.9625-0.0495..............by using Z table.
=0.9130

2) P(Z≥1.34)

=1-P(Z<1.34)

=1-0.9099.....................by using Z table.

=0.0901


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