Mathematics
24.09.2021 13:46
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Abin contains a total of 20 batteries, of which 6 defective. if you select 2 at
Abin contains a total of 20 batteries, of which 6 defective. if you select 2 at random, without replacement, determine the probability that none of the batteries is good and at least one of the batteries is good
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asclp
4,5(20 marks)
The probability that neither of the sample of 2 is good is:
The probability that at least one is good is:
P(at least one is good) = 1 - 0.479 = 0.521
The probability that at least one is good is:
P(at least one is good) = 1 - 0.479 = 0.521
marciekinser
4,8(70 marks)
Hey there, Lets solve this problem together.
We know that a bin contains a total of 20 batteries, of which 6 defective.
Therefore
16 good ones = 16C2
20 batteries= 20C2
We know that a bin contains a total of 20 batteries, of which 6 defective.
Therefore
16 good ones = 16C2
20 batteries= 20C2
justinrojo621
5,0(52 marks)
Where are the choices
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