Question: Use an ti84 device to solve. A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have

Use an ti84 device to solve.

Use an ti84 device to solve. A quality control expert at LIFE

A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a standard deviation of 83 minutes with a mean life of 541 minutes. If the claim is true, in a sample of 160 batteries, what is the probability that the mean battery life would be greater than 553.9 minutes? Round your answer to four decimal places. Tables Keypad Answer How to enter your answer (opens in new window) Keyboard Shortcuts

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