Area to Z-Score Practice

Find the value of k
P(Z> k) = 0.2327

• 0.73

• -0.73

• 0.27

• -0.27

Find the value of k
P( Z < k ) =0.2266

• 0.24

• 0.75

• -0.24

• -0.75

Find the value of k
P( Z ≤ k ) = 0.8264

• -0.06

• 0.06

• -0.94

• 0.94

Find the value of k
P(Z > k ) = 0.75

• -0.67

• 0.67

• -0.33

• 0.33

Find the area of the shaded region.

• 0.9357

• -0.0732

• 0.0643

• 0.0243

Find the Z-score.

• 2.26

• 16.45

• -2.26

• 1.26

In the Lion King, Simba's roar has an average volume of 7.6 decibels with an SD of 4.5 decibels. What is the Z-score of Mufasa's roar if it has a volume of 11 decibels?

• +0.76

• -0.74

• +0.68

• +0.28

A dataset with a mean of 50 and a standard deviation of 10 includes a data point at 70. What is the Z-score of this data point?

• 1

• 2

• 3

• 4

Find the area of the shaded region if the z-score is 0.75

• 0.2266

• 0.7734

• 0.758

• 0.242

If a dataset has a mean of 30 and a standard deviation of 5, what is the Z-score of a data point that is 25?

• -1

• 0

• 1

• -2