The Blacktop Speedway is a supplier of automotive parts. Included in stock are 6 speedometers that are correctly calibrated and two that are not. Three speedometers are randomly selected without replacement. Let the random variable z represent the number that are not correctly calibrated. Complete the probability distribution table. (Report probabilities accurate to 4 decimal places.) P(z) 1 2 Find the mean of this probability distribution. (Appropriate rounding rules apply.) mean Check Answer 3.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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The Blacktop Speedway is a supplier of automotive parts. Included in stock are 6 speedometers
that are correctly calibrated and two that are not. Three speedometers are randomly selected
without replacement. Let the random variable a represent the number that are not correctly
calibrated.
Complete the probability distribution table. (Report probabilities accurate to 4 decimal places.)
P(x)
Find the mean of this probability distribution. (Appropriate rounding rules apply.)
mean =
Check Answer
1,
2.
3.
Transcribed Image Text:The Blacktop Speedway is a supplier of automotive parts. Included in stock are 6 speedometers that are correctly calibrated and two that are not. Three speedometers are randomly selected without replacement. Let the random variable a represent the number that are not correctly calibrated. Complete the probability distribution table. (Report probabilities accurate to 4 decimal places.) P(x) Find the mean of this probability distribution. (Appropriate rounding rules apply.) mean = Check Answer 1, 2. 3.
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