Question

1) Find the area under the standard normal curve to the right of z= -0.62.
Round your answer to four decimal places.

2) Find the following probability for the standard normal distribution.

Round your answer to four decimal places.
P( z < - 1.85) =

3) Obtain the following probability for the standard normal distribution.

P(z<-5.43)=

4) Use a table, calculator, or computer to find the specified area under a standard normal curve.

Round your answers to 4 decimal places.

a) Between a z-score of 1.7 and 2.48; area =

b) Between a z-score of -0.41 and 1.7; area =

c) Between a z-score of -0.41 and 0; area =

5) Use a table, calculator, or computer to find the z-score that has the given percentage below it in a standard normal distribution.

Round your answers to 3 decimal places.

a) 12%; z =

b) 26%; z =

c) 68%; z =

d) 99%; z =

6) For a standard normal distribution, find the area within 2 standard deviation s of the mean, that is, the area between μ - 2 σ and μ + 2 σ.

Round your answer to four decimal places.

Answer 1