# MM207-06 Unit 7 Project_A+

Total points are 40. Points are included with each problem.

Included with each section or problem are reference examples and end of section exercises that can be used as a guide. Be sure to show your work in case partial credit is awarded. To receive full credit, work must be shown if applicable.

The guidelines for hypothesis testing are found at the end of this document. To receive full credit, you are to follow the seven steps and label them by these guidelines.

Section 7.1 : Introduction to Hypothesis Testing

1.     State the claim mathematically. Then write the null and alternative hypothesis. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. (References: Definition of a statistical hypothesis on page 365, example 1 on page 366 and example 3 on page 371; end of section exercises 19 – 22 page 375, 23 – 28 page 376)

a.    In a recent poll, it was found that 43% of registered U.S. voters would vote for the incumbent president. If 100 registered voters were sampled randomly, it was found that 35% would vote of the incumbent. Test the claim that the actual proportion is 43%.