Practicing Normal Curve Calculations

Practicing Normal Curve Calculations

12th Grade - University

10 Qs

quiz-placeholder

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Practicing Normal Curve Calculations

Practicing Normal Curve Calculations

Assessment

Quiz

Mathematics

12th Grade - University

Practice Problem

Medium

CCSS
HSS.ID.A.4, 8.EE.C.8C

Standards-aligned

Created by

Sandi Takis

Used 26+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The weights of paper discarded each week by households are normally distributed with a mean of 9.43 pounds and a standard deviation of 4.17 pounds.  What percent of households discard between 10 and 12 pounds? 

17.68%
6.50%
28.55%
82.32%

Tags

CCSS.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The weights of paper discarded each week by households are normally distributed with a mean of 9.43 pounds and a standard deviation of 4.17 pounds.  What percent of households throw out fewer than 2 pounds of paper each week?

96.26%
48.13%
3.74%
1.87%

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The weights of paper discarded each week by households are normally distributed with a mean of 9.43 pounds and a standard deviation of 4.17 pounds.  How much paper do the top 10% of households discard? 

16.29 pounds
4.09 pounds
14.77 pounds
2.57 pounds

Tags

CCSS.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A study of the amounts of time college freshmen study each week found that the times are normally distributed with a mean of 7.06 hours and a standard deviation of 2.32 hours.  How many hours would the "fastest" 5% of students spend on homework?

10.03 hours
10.86 hours
4.09 hours
3.24 hours

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Heights of women are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches.  The Beanstalk Club, a social organization for tall people, has a requirement that women must be at least 70 inches tall. What percentage of adult women meets the requirement to join the club?

0.52%
5%
99.48%
95%

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Heights of women are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches.  The Beanstalk Club, a social organization for tall people, has a requirement that women must be at least 70 inches tall. What heights mark the middle 50% of all women?

Those above 63.5 inches
61.1 inches to 66.1 inches
61.9 inches to 65.3 inches
Those below 63.5 inches

Tags

CCSS.HSS.ID.A.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What percent of pregnancies will last fewer than 8 months (approximately 240 days)? 

13.14%
96.9%
86.86%
3.10%

Tags

CCSS.HSS.ID.A.4

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