Question 872160
three items were randomely selected from a bin that contains 3 defective and 7 non-defective lithium batteries. 
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let the random variable X represent the number of defective batteries in the sample. 
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A) what are the possible values of C? 
What is "C"?
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B) Obtain the PMF pf X. 
What is the PMF?
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C) Calculate P(X=0) = 7C3/10C3 = 0.2917
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D) Calculate P(X is greater than or equal to 1)
Ans: 1- 0.2917 = 0.7083
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Cheers,
Stan H.
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