2. The probability distribution below shows the random variable and the probability of tossing a die. What is the variance and standard deviation?
2. The probability distribution below shows the random variable and the probability of tossing a die. What is the variance and standard deviation?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transcribed Image Text:Solve the following problems put it in word file save it
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1. The probability distribution below shows the number of
typing errors (x) and the probability p(x) of committing
these errors whenever clerks type-in a document.
Compute the variance and standard deviation.
y
1
2
P(y)
0.02
0.11
0.42
0.31
0.10
0.04
2. The probability distribution below shows the random
variable and the probability of tossing a die. What is the
variance and standard deviation?
1
3
4
P(z)
1/6
1/6
1/6
1/6
1/6
1/6
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