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answerhappygod
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PLEASE ANSWER IN 15 MINUTES THANKS!!!!!

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PLEASE ANSWER IN 15 MINUTES
THANKS!!!!!
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Please Answer In 15 Minutes Thanks 1 (30.22 KiB) Viewed 22 times
I 9 You measure the lifetime of a random sample of 64 tires of a certain brand. The sample mean is x = 50 months. Suppose that the lifetimes for tires of this brand follow a normal distribution, with unknown mean and standard deviation o= 5 kg. 9. Find the margin of error for a 97% confidence interval. (a) 1.972 (b) 1.356 (c) 3.951 (d) 4.701
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