Question

For a standard normal distribution, find:P(1 < z < 2) = _______ % to one decimal place.

Answer 1

Write P(1 < Z < 2) as

P(1 < Z < 2) = P(0 < Z < 2) - P(0< Z < 1)

From the standard normal table,

P(0 < Z < 2) = 0.4772

and

P(0 < Z < 1) =0.3413

Then,

[tex]\begin{gathered} P\mleft(1