(a) What is the probability that the battery life is at least 8.4 hours? Round your answer to four decimal places (e.g. 98.7654). P i (b) What is the probability that the battery life is less than 6.6 hours? Round your answer to four decimal places (e.g. 98.7654). P = i (c) What is the time of use that is exceeded with probability 0.9? Round your answer to two decimal places (e.g. 98.76). The time of use that is exceeded with probability 0.9 is i h

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