Quiz Outcome C Review

What is the probability that a score is under (left of) -1.37?

• .0853

• .9147

• .8997

• .1003

A data set has a mean of 290 and a standard deviation of 20. Calculate the z-score for 265.

A data set has a mean of 20 and a standard deviation of 3. Calculate the z-score for 23.

Use the image of the normal graph provided. What is the value of the mean?

• 6

• 34

• 52

• 70

Use the image of the normal graph provided. What is the value of the standard deviation?

• 6

• 12

• 36

• 18

Use the image of the normal graph provided. What percent of values are less than 46?

• 16%

• 84%

• 46%

• 12.5%

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 95%
• 99.7%
• 50%

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 95%
• 99.7%
• 50%

This data is normally distributed.  What percent of the data is in the shaded region?

• 68%
• 95%
• 99.7%
• 50%

This data is normally distributed.  What percentage of the data is in the shaded region?

• 68%
• 34%
• 17%
• 50%