A company that manufactures car mufflers finds that the labor to set up and run a nearly automatic machine has mean 1 9 hours and 1 2 hours For a random sample of 36 runs (a) Determine the mean and standard deviation of (b) What can you say about the distribution of ...

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A company that manufactures car mufflers finds that the labor to set up and run a nearly

Question:

A company that manufactures car mufflers finds that the labor to set up and run a nearly automatic machine has mean μ = 1.9 hours and σ = 1.2 hours. For a random sample of 36 runs
(a) Determine the mean and standard deviation of .
(b) What can you say about the of ? Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...