The probability that a three-year-old battery still works is 0.85. your calculator requires 4 working batteries to operate. if t
he batteries can be considered independent, and you grab three-year-old batteries from your kitchen "junk drawer," what is the probability that your calculator works?
1 answer:
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I think it would -2!! Sorry if I’m wrong
Answer: i think it is... x = -19
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3
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