Asked by Jenna
A manufacturer of calculators would like to separate defective calculators from calculators that are acceptable. Through an error, a shipment of 12 calculators is sent out containing 3 defective calculators and 9 working calculators. A customer buys 5 of these calculators without testing them.
a) what is the probability that all 5 will be acceptable?
b)what is the probability that 2 will be defective and three acceptable?
Please help. Is my solution correct 3/12x 5/9=0.14 Thanks in advance
a) what is the probability that all 5 will be acceptable?
b)what is the probability that 2 will be defective and three acceptable?
Please help. Is my solution correct 3/12x 5/9=0.14 Thanks in advance
Answers
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Anonymous
No
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