questions 4,5

Question 4 C 1pt 9 1 0 Details Food inspectors inspect samples of food products to see if they are safe. This can be thought of as a hypothesis test with the following hypotheses. Ho: the food is safe Ha: the food is not safe The following is an example of what type of error? You reject HO because the sample suggests that the food is not safe, but it actually is safe. O type I O type II' not an error Question 5 16 pts 9 1 0 Details Isabel is a very determined 4th grader who studies different neighborhoods each year to determine which give the most candy on Halloween. Right now she wants to know which is the most consistent in the amount of candy she receives. She thinks the population standard deviation of all the neighborhoods is 3 candies. In her neighborhood, she samples 6 of the houses and finds a sample standard deviation of 1.89 candies. At the or = 0.01 significance level, is there evidence to say that her neighborhood has a smaller standard deviation than 37 Use the p-value method. a. For this study, we should use Select an answer V b. The null and alternative hypotheses would be: Ho: 7 \\ Select an answer H,: 7 Select an answer C. The test statistic is (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The data suggest the population standard deviation is not significantly less at a = 0.01, so there is not sufficient evidence to conclude that the standard deviation of candles is less than 3. The data suggest the populaton standard deviation is significantly less at a = 0.01, so there is sufficient evidence to conclude that the standard deviation of candles is less than 3. The data suggest the population standard deviation is not less at a = 0.01, so there is sufficient evidence to conclude that the standard deviation of candles is 3. Give a short explanation of how you reached your conclusion to Reject, Fail to Reject, or Accept HO in the last