Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

Question #7 Magic Mike claims to bring in 10 new customers each week. Over a yea

ID: 3154409 • Letter: Q

Question

Question #7 Magic Mike claims to bring in 10 new customers each week. Over a year period they samples the number of new customers. Can you prove his claim? Step 1: State the null hypothesis and the alternate hypothesis. 0: Show Rejection Region by shading and labeling appropriately. Step 2: Select the level of significance. Step 3: Select the test statistic Step 4: Formulate the decision rule. t or z =-1.33 Reject Ho if Step 5: make the decision regarding Ho and interpret the results. Question # 8 SPCA claims that more than 500 unwanted kittens are born each year. The number of unwanted kittens was counted over a 15 year period. Can you prove their claim? Step 1: State the null hypothesis and the alternate hypothesis. Ho Hi Show Rejection Region by shading and labeling appropriately Step 2: Select the level of significance = .01 Step 3: Select the test statistic. 2.85 Step 4: Formulate the decision rule, t or z Reject Ho if Step 5: make the decision regarding Ho and interpret thy results.

Explanation / Answer

7)

Ho: miu = 10 H1 : miu is different from 10

Z test

reject Ho if Z< -1.33 or Z > 1.33

8)

Ho : miu = 500 H1 : miu > 500

Z test

reject Ho if Z > 2.85