Statistics Concepts Normal Distribution

Statistics Concepts Normal Distribution

12th Grade

15 Qs

quiz-placeholder

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Statistics Concepts Normal Distribution

Statistics Concepts Normal Distribution

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 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%

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Between what two standard deviations of a normal distribution contain 68% of the data?

one below and one above

two below and two above

two below and zero

zero and two above

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The distances male long jumpers for State College jump are approximately normal with a mean of 263 inches and a standard deviation of 14 inches.  
Suppose a male long jumper's jump ranked in the 75th percentile.  How long was his jump?

0.67 inch

263 inches

272.44 inches

277.25 inches

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the the total area under the standard normal distribution curve?

100

25

.5

1

5.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 1 pt

Which is NOT true about the standard normal distribution?

It is bell-shaped.

It is unimodal.

The mean is 0 and the standard deviation is 1.

It is asymmetrical.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Students pass a test if they score 50% or more. The marks of a large number of students were sampled and the mean and standard deviation were calculated as 42% and 8% respectively. Assuming this data is normally distributed, what percentage of students pass the test? in percentage...

5

16

24

32

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