Normal Distributions: Finding Probabilities (5.2)

Normal Distributions: Finding Probabilities (5.2)

9th - 12th Grade

10 Qs

quiz-placeholder

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Normal Distributions: Finding Probabilities (5.2)

Normal Distributions: Finding Probabilities (5.2)

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Medium

CCSS
HSS.ID.A.4, HSS.ID.A.2, HSF-LE.A.1C

+2

Standards-aligned

Created by

Ronnie Green

Used 397+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What shape is a normal distribution curve?

Half curve
Round curve
Bell curve
Square curve

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

25%
68%
95%
99.7%

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, how much of the data falls within 3 standard deviations? 

25%
68%
95%
99.7%

Tags

CCSS.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5.  What proportion of weeks would you expect to have less than 5 accidents?

0.6915
0.1762
0.8238
-0.93

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The average waist size for teenage males is 29 inches with a standard deviation of 1.4 inch.  If waist sizes are normally distributed, estimate the proportion of teenagers who will have waist sizes greater than 31 inches?

92.4%
10.5%
16%
7.6%

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5.  What proportion of weeks would you expect to have more than 7 accidents?

0.3446
0.2856
0.4
0.6554

Tags

CCSS.HSS.ID.A.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The mean GPA of students in a course at UCDavis is 3.2 with a standard deviation of 0.3. What percent of students in the course have a GPA between  2.9 and 3.8? 

81.5%
47.5%
68%
95%

Tags

CCSS.HSS.ID.A.4

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