Normal Distributions Probability

Normal Distributions Probability

12th Grade

15 Qs

quiz-placeholder

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Normal Distributions Probability

Normal Distributions Probability

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The 40 yards sprint times for a soccer team are found to be normally distributed with a mean of 5.2 seconds and a standard deviation of 0.3 seconds.  What is the z-score for a player who runs a time of 5.6 seconds?

-1.33

1.33

0.88

1.02

2.

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The scoring of modern IQ is such that Intelligence Quotients (IQs) have a normal distribution of μ= 100 and 𝞂 = 15.

Mensa International is a non-profit organization that accepts only people with IQ score within the top 2%. What level of IQ qualifies one to be a member of Mensa?

115

130.75

145

120

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the area under the standard normal curve where z < 2.42 .

.008

.992

.301

.862

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A data point that equals the mean has a z-score of what value?

0

1

-1

1.5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the area to the right of z= -1.02

.846

.782

.154

.523

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The mean temperature in Glens Falls for the month of February is 23 degrees with a standard deviation of 4.2 degrees.  How many standard deviations from the mean would a temperature of 17 degrees be?  

1.429

-1.429

11.5

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