IN a random sample of 400 items, 49 are defective. If the null hypothesis is that 18% of the items in the population are defective, what is the value of Z stat?

Zstat=_______ (round to 2 decimal places as needed)

b. IN A RANDOM SAMPLE OF 500 ITEMS, 109 ARE DEFECTIVE. IF THE NULL HYPOTHESIS IS THAT 17% OF THE ITEMS IN THE POPULATION ARE DEFECTIVE, WHAT IS THE VALUE Z stat?

Zstat=_______(round to two decimal places as needed)

Subject | Mathematics |

Due By (Pacific Time) | 04/15/2013 07:07 pm |

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