Maurice Tutor

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    Argosy University/ Phoniex University/
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Category > Management Posted 11 Jul 2017 My Price 11.00

process for manufacturing a ball

The process for manufacturing a ball bearing results in weights that have an approximately normal distribution with mean 0.15 g and standard deviation 0.003 g.

a. If you select one ball bearing at random, what is the probability that it weighs less than 0.148 g?

b. If you select four ball bearings at random, what is the probability that their mean weight is less than 0.148 g?

c. If you select ten ball bearings at random, what is the probability that their mean weight is less than 0.148 g?

Answers

Maurice Tutor
(5)
Status NEW Posted 11 Jul 2017 01:07 PM My Price 11.00

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