a) What is the probability that the battery charge for a randomly selected Droid Razr Maxx phone will last no more than 15 hours when its primary use is talk time? Compute four decimal places b) What is the probability that the battery charge for a randomly selected Droid Razr Maxx phone will last more than 20 hours when its primary use is talk time? Compute four decimal places c) What is the probability that the battery charge for a randomly selected Droid Razr Maxx phone will last more than 5 hours when its primary use is Internet application? Compute four decimal places
Battery life between charges for the Motorola Droid Razr Maxx is 25 hours when the primary use is talk time. The battery life drops to 12 hours when the phone is primarily used for Internet applications over cellular. Assume that the battery life in both cases follows an exponential distribution.
a) What is the probability that the battery charge for a randomly selected Droid Razr Maxx phone will last no more than 15 hours when its primary use is talk time? Compute four decimal places
b) What is the probability that the battery charge for a randomly selected Droid Razr Maxx phone will last more than 20 hours when its primary use is talk time? Compute four decimal places
c) What is the probability that the battery charge for a randomly selected Droid Razr Maxx phone will last more than 5 hours when its primary use is Internet application? Compute four decimal places
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