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Roller coaster ride: A roller coaster is being designed that will accommodate 60 riders. The maximum...

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Question

Statistics

Roller coaster ride: A roller coaster is being designed thatwill accommodate 60 riders. The maximum weight the
coaster can hold safely is 12,000 pounds. According to the NationalHealth Statistics Reports, the weights of adult U.S.
men have mean 191 pounds and standard deviation 65 pounds, and theweights of adult U.S. women have mean 167 pounds and
standard deviation 74 pounds. Use the TI-84 Plus calculator.

Part 1 of 3

(a) If 60 people are riding the coaster, and their total weightis 12,000 pounds, what is their average weight?
The average weight is____ pounds.

Part 2 of 3
(b) If a random sample of 60 adult men ride the coaster, what isthe probability that the maximum safe weight
will be exceeded? Round the answer to at least four decimalplaces.
If a random sample 60 adult men ride the coaster, the probabilitythat the maximum safe weight will be exceeded is?

Part 3 of 3
(c) If a random sample of 60 adult women ride the coaster, what isthe probability that the maximum safe weight will
be exceeded? Round the answer to at least four decimalplaces.
If a random sample 60adult women ride the coaster, the probabilitythat the maximum safe weight will be exceeded is?



Answer & Explanation Solved by verified expert
3.6 Ratings (610 Votes)
a average weight 1200060 200 pounds    See Answer
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