proportion of students planning to go to college is greater than 79 B Reject H

Proportion of students planning to go to college is

This preview shows page 2 - 5 out of 7 pages.

proportion of students planning to go to college is greater than .79.B. Reject H0. There is enough evidence to support the claim that the proportion of students planning to go to college is now greater than .79.C. Cannot determine
D. More seniors are going to collegeAnswer Key:  A Question 4 of 101.0 PointsConsider the following scenario in answering questions 1 through 4. Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.What is the p-value associated with your test of hypothesis?   D Question 5 of 101.0 PointsConsider the following scenario in answering questions 5 through 7.In an article appearing in Today’s Health a writer states that the average number of calories in a serving of popcorn is 75. To determine if the average number of calories in a serving of popcorn is different from 75, a nutritionist selected a random sample of 20 servings of popcorn and computed the sample mean number of calories per serving to be 78 with a sample standard deviation of 7.State the null and alternative hypotheses.  
> < > A

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture