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# The average labor charge for automobile mechanics is \$116 per hour The standard deviation is \$9. Using Chebyshev’s theorem find the percentage of data values that will fall in the range of

The average labor charge for automobile mechanics is \$116 per hour. The standard deviation is \$9. Using Chebyshev’s theorem, find the percentage of data values that will fall in the range of \$100-130. Show your work

8.) A recent poll by the American Automobile Club found that 73.6% of those surveyed are worried about aggressive drivers on the road. If three people are selected at random, what is the probability that

-At least one will be worried about aggressive drivers on the road?

-At most two will be worried about aggressive drivers on the road?

10.)    The average national ACT score is 22. If we assumed a bell-shaped distribution and a standard deviation of 3.4, within what limits would you expect approximately

A.) 95% of the scores to fall?

B.) 68% of the scores to fall?

C.) 99.7% of the scores to fall?

Aug 01 2020 View more View Less