Normal Distribution Review

What shape is a normal distribution curve?

• Half curve
• Round curve
• Bell curve
• Square curve

What is the Normal Range (68%) of the monthly salary of teachers if the average is $4,000.00 with a standard deviation of 3,000?

• 1000-7000
• 3000-4000
• 1000-4000
• 4000-7000

Tags

CCSS.HSS.ID.A.4

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last between 12 and 15 days?

• 68%
• 34%
• 16%
• 2.5%

Tags

CCSS.HSS.ID.A.4

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last 6 days or less?

• 68%
• 34%
• 16%
• 2.5%

Tags

CCSS.HSS.ID.A.4

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

• 68%
• 95%
• 99.7%
• 50%

Tags

CCSS.HSS.ID.A.4

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

• 68%
• 32%

• 95%
• 50%

Tags

CCSS.HSS.ID.A.4

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

• 68%
• 95%
• 99.7%
• 50%

Tags

CCSS.HSS.ID.A.4

Which measure goes in the center of the Normal Curve?

• standard deviation

• mean

• median

• mode

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What goes in the yellow box?

• mean

• median

• mode

• standard deviation

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5. What is the probability of 7 or more accidents this week? Assume a Normal distribution.

• 0.3446

• 0.2856

• 0.4

• 0.6554

Tags

CCSS.HSS.ID.A.4