The Blacktop Speedway is a supplier of automotive parts. Included in stock are 12 speedometers that are correctly calibrated and two that are not. Three speedometers are randomly selected without replacement. Let the random variable æ 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

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The Blacktop Speedway is a supplier of automotive parts. Included in stock are 12 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)
2
Find the mean of this probability distribution. (Appropriate rounding rules apply.)
mean =
Check Answer
3.
Transcribed Image Text:The Blacktop Speedway is a supplier of automotive parts. Included in stock are 12 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) 2 Find the mean of this probability distribution. (Appropriate rounding rules apply.) mean = Check Answer 3.
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I need answer for P(x=3) and correct answer for the mean 

The Blacktop Speedway is a supplier of automotive parts. Included in stock are 12 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)
2
Find the mean of this probability distribution. (Appropriate rounding rules apply.)
mean =
Check Answer
3.
Transcribed Image Text:The Blacktop Speedway is a supplier of automotive parts. Included in stock are 12 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) 2 Find the mean of this probability distribution. (Appropriate rounding rules apply.) mean = Check Answer 3.
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