1. A laboratory is interested in how many times they can use a specific brand of...

1. A laboratory is interested in how many times they can use a specific brand of test tube on a Bunsen burner before it cracks. Assume that the population is normally distributed. They test 20 test tubes and find that on average, it took reheating them 1111 times until they cracked, with a standard deviation of 234. Compute the 98% confidence interval to estimate the average number of times they can use the tube. Interpret this confidence interval. You do NOT need to check CLT here.

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orchestra answered 1 year ago

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