# A random sample of 500 registered voters in Phoenix is asked if they favor the use of

## Question:

(a) Find the probability of type I error if exactly 60% of the voters favor the use of these fuels.

(b) What is the type II error probability B if 75% of the voters favor this action? Hint: use the normal approximation to the binomial.

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**Related Book For**

## Applied Statistics And Probability For Engineers

**ISBN:** 9781118539712

6th Edition

**Authors:** Douglas C. Montgomery, George C. Runger