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Janie flips a coin 70 times and records if it comes up heads. If getting heads is a success, what is the probability of a failure?
a.Selecting phones randomly until a non-defective phone is chosenb.Selecting phones randomly until 200 defective phones are chosenc.Selecting 200 phones randomly and recording whether each phone is defectived.Selecting a group of phones randomly and recording the number of defective phones in the group

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SwagonJaxon
Your answer would be similar to answer C, as the possibility would be 50/50 for a coin, as it is still very much a possibility there would be no defective phone as there could be no tails.

Answer:

B. 0.5

just got it on Edge

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