How can the answer be incorrect, if there is no answer?
Using the Z table in the back of your statistics text labeled something like "areas under normal distribution," use the smaller proportion for a and b.
For c, add proportions between Z scores and mean.
Use the z-table to find the requested probabilities. Enter your answers to 4 decimal places.
(a)
P(z < −1.02) =
Incorrect: Your answer is incorrect.
(b)
P(z ≥ 2.43) =
(c)
P(−1.80 < z < 1.36) =
1 answer