Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000 machine parts inspected Defects 1 3 4 Probability 0.263 0.291 0.239 0.156 0.037 0.014 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is. (Round to one decimal place as needed.)

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4.1.51
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Use the probability distribution to complete parts (a) and (b) below.
The number of defects per 1000 machine parts inspected
Defects
1
4
Probability
0.263
0.291
0.239
0.156
0.037
0.014
(a) Find the mean, variance, and standard deviation of the probability distribution.
The mean is.
(Round to one decimal place as needed.)
Enter your answer in the answer box and then click Check Answer.
3 parts
remaining
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P Type here to search
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2/9/2
Transcribed Image Text:4.1.51 Assigned Media Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000 machine parts inspected Defects 1 4 Probability 0.263 0.291 0.239 0.156 0.037 0.014 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is. (Round to one decimal place as needed.) Enter your answer in the answer box and then click Check Answer. 3 parts remaining Clear All Check Answer P Type here to search 9:34 2/9/2
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