Answer these questions:

PDE Homework 8.3.pdf Microsoft Edge X File | C:/Users/penny/Downloads/Homework%208.3.pdf Gmail YouTube Maps @ News of 5 Q + Page view A Read aloud T Add text Draw v Highlight Erase TV/28/21, 2:06 AM Homework 8.3 Due Thursday by 11:59pm Points 20 Submitting an external tool The null hypothesis in words would be: Homework 8.3 The proportion of all textbooks front of all textbooks from the store that are less than 84.45 is equal to 50% Score: 6.33/20 1/4 answered rogress saved Done vico er : The average of price of all textbooks from the store is greater than $ 84.45. The average price of all textbooks from the store is $ 84.45 Question 1 3.33/5 pts ' 96-99 The average price of textbooks in a sample is $ 84.45 The average of price of all textbooks from the store is less than $ 84.45. Score on last try: 3.33 of 5 pts, See Details for more You can retry this question below Based on a sample of 110 textbooks at the store, you find an average o bookstore costs $ 84.45. You want to test this claim he null and alter The point estimate is: |95.65 (to 3 decimals) Hip > 84.45 The 95 % confidence interval (use z") is: 482.47 O Ho: 14 2 84.45 HI: 84.45 @ Reject the null hypothesis O Ho:p 2 84.45 H: P 0.7 question Help: Message Instructor HI:# 3 0.7 Submit Question Question 2 B o/5 pts ' 100 3is home's in oregon coned wyse paged that ass of homes were heated by natural gas. A random sample th homes in Oregon found that 138 were heated by natural gas. Test the claim found them amount in at least A decimal Isdifferent than what w what was reported. Use a 10% significance 12021, 2:06 84 Homework 8.2 What are the correct hypotheses) (Select the correct symbols and use decimal values not percentages Based on the hypotheses, find the following: Mo: Select an answer [7 v Test Statistic . My: Select an answer ? v Critical-value- Based on the hypotheses, compute the following arrows can only be dragged to z-scores that are accurate to 1 place after the decimal point (these values Test Statistic . to the right, between or left and right of the z-score(s). -value - Shade: [Left of a value v . Click and drag the arrows to adjust the values. Based on the above we choose to [Select an answer The correct summary would be: [Select an answer homes in Oregon that were heated by natural gas is different than what the DOE reported value of 46%. Question Help: Message instructor Submit Question Question 3 Er 0/5 pts @ 100 correct decision is to Select an answer Y. prostate examined is significantly less than 0. 3. A random sample of 705 men over the age of 50 foun claim? Test the relevant hypotheses using a 1% level of significance. Give answer to at least 4 depp the men over the age of 50 who regularly have their prostate examined is significantly chills, the proportion of Question Help: Message instructor What are the correct hypotheses? (Select the correct Submit Question Her Select an answer 7 v My: Select an answer 7 V . Question 4 B O/5 pts D 100 In 2011, a U.S. Census report determined that bag, or college students the working students Are Gg Cr of 128/21, 2:06 AM 152 are working students . Is there evidence to support the researcher's claim at the 13 significance level? a. Determine the null and alternative typotheses. He:p = (Select the correct symbol and enter the value.) . Determine the test statistic. Round to two decimal C. Find the p - value. Round to four decimal places. p - value - d. Are the results statistically significant? OFail to reject the null hypothe O Reject the null hypothesis. Write the conclusion. students has changed. students has changed Question Help: Message instructor Type here to search O 99 N 49OF Clear ~ DOG ENG 2:17 AM 11/28/2021