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INDIVIDUAL M&M PLAIN CANDIES HAVE WEIGHTS THAT ARE NORMALLY DISTRIBUTED WITH

INDIVIDUAL M&M PLAIN CANDIES HAVE WEIGHTS THAT ARE NORMALLY DISTRIBUTED WITH

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Author: Christine Farr
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1) Individual M&M plain candies have weights that are normally distributed with
a mean weight of 0.8565 g and a standard deviation of 0.0518 g.
If you randomly select 1 M&M plain candy, what is the probability
That the candy will weigh less than 0.8535 g?
 
 
2) Individual M&M plain candies have weights that are normally distributed with
a mean weight of 0.8565 g and a standard deviation of 0.0518 g.
If you randomly select 465 M&M plain candies, what is the probability
that their mean weight will be less than 0.8535 g?
 
3)  Suppose you are going to test the claim that more than half of adults prefer a window seat when they fly.   
The results of a poll indicated that 492 of 806 adults preferred a window seat when they were flying.
Calculate the test statistic for this hypothesis test.

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