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## E-Book Chapter Eight 8.64 Solutions (Custom from Teacher)

by: smartwriter Notetaker

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# E-Book Chapter Eight 8.64 Solutions (Custom from Teacher)

Marketplace > E Book Chapter Eight 8 64 Solutions Custom from Teacher
smartwriter Notetaker
CSU - Dominguez hills
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E-Book Chapter Eight 8.64 Solutions (Custom from Teacher)
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This 0 page Study Guide was uploaded by smartwriter Notetaker on Sunday November 15, 2015. The Study Guide belongs to a course at a university taught by a professor in Fall. Since its upload, it has received 22 views.

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Date Created: 11/15/15
I 864 D l Biting an unpopped kernel of popcorn hurts As an experiment a selfconfessed connoisseur of cheap popcorn carefully counted 739 kernels and put them in a popper After popping the unpopped kernels were counted There were 82 D a Construct a 90 percent confidence interval for the proportion of all kernels that would not pop I 011096075 proportion 8 I 1645 2 0130 upper confidence limit 00920130 The confidence interval is meaning we are 90 confident the true population proportion is between 0092 and 0130 I D b Check the normality assumption To check the normality we multiple the probability times the sample size and the 1p times the sample size 82 0111 p 739 657 q 739 0889 I The rule is that normality is met if np nqgt 5 I np011173982029 I nq 0889 739 656971 I 82029gt5 I 656971gt5 Normality is met c Try the Very Quick Rule Does it work well here Why or why not The Very Quick Rule only applies when the probability is about 05 but here its 0111 so this rule does not apply d Why might this sample not be typical 00920130 The confidence interval represents the entire population of popcorn kernels so this sample of 82 which did not pop is not illustrative I

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