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Bell Curve Review

Authored by Sheneka Lassiter

Mathematics

9th - 12th Grade

Used 4+ times

Bell Curve Review
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Given a mean of 75 and a standard deviation of 7, what percentage of scores are between 75 and 82?

68%

81.5%

16%

34%

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The average weight of a newborn is 7.5 pounds, with a standard deviation of 1.25 pounds. Birth weight follows the standard normal curve. What percent of newborns weigh 5 pounds or less at birth?

2.35%

0.15%

2.5%

50%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What shape is a normal distribution curve?

Half curve
Round curve
Bell curve
Square curve

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The normal curve is symmetrical about the mean.

True
False

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, what percentage of data falls within 1 standard deviation of the mean?

25%

68%

95%

99.7%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, how much of the data falls within 2 standard deviations of the mean?

25%

68%

95%

99.7%

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