Mr. Good Wrench advertises that a customer will have to wait no more than 30 minutes for an oil change. A sample of 26 oil changes had a standard deviation of 5.5 minutes. Use this information to calculate a 98% confidence interval for the population standard deviation waiting time for an oil change.

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yes

step-by-step explanation:

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step-by-step explanation:

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step-by-step explanation:

if you want to separate 54 into 6 individual tiers then you need to divide if you want to separate 54 into 6 individual tiers then you need to divide 6 and 54.

if you divide 9 by 6 you will get 54.

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