Empirical Rule (Bell Curve)

Use the following information and the Empirical Rule to estimate the answer.

The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.

Find the proportion of golfers that are between 30 and 46 years old.

• 68%

• 94%

• 95%

• 99.7%

Tags

CCSS.HSS.ID.A.4

What is the name of the lion in the Chronicles of Narnia?

• Alvin

• Edmund

• Caspaian

• Aslan

Tags

CCSS.RL.9-10.9

CCSS.RI.11-12.9

CCSS.RI.9-10.9

CCSS.RI.K.6

CCSS.RL.11-12.9

What type of animal is Manny in the movie Ice Age?

• Squirrel

• Sloth

• Sabretooth Tiger

• Mammoth

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

What color are the stripes of the cat's hat in The Cat in the Hat?

• red and white

• red and blue

• blue and white

• orange and white

Tags

CCSS.RL.9-10.9

CCSS.RI.11-12.9

CCSS.RI.9-10.9

CCSS.RI.K.6

CCSS.RL.11-12.9

Which interval shows 95% of the data given a mean of 15 and a standard deviation of 3? 

• 9 to 21
• 12 to 18
• 6 to 24
• 13 to 16

Tags

CCSS.HSS.ID.A.4

What is half of fifty

• 24

• 25

• 15

• 21

Tags

CCSS.3.OA.C.7

Which interval shows 99.7% of the data given a mean of 15 and a standard deviation of 3? 

• 9 to 21
• 12 to 18
• 6 to 24
• 13 to 16

Tags

CCSS.HSS.ID.A.4

I am amazing because...

• I love my self.

• I like to help others...

• I believe I can do anything I want, if I work for it.

Tags

CCSS.RL.9-10.9

CCSS.RL.11-12.11

CCSS.RL.8.10

CCSS.RL.8.4

CCSS.RL.9-10.10

What is the percentage of data that falls within three standard deviations of the mean?

• 99.7%

• 98.7%

• 95%

• 100%

Tags

CCSS.HSS.ID.A.4