MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- What’s the answer???arrow_forwardNew Orleans' Coca Cola bottling center wants to determine whether the mean amount of product in a 12 oz can of Coke is actually 12 ounces. Thus, the null and alternative hypotheses are Ho: mu is equal to 12 ounces Ha: mu is not equal to 12 ouncesYou want to be extra sure that you aren't underfilling (which would open you up to a lawsuit). Being risk averse, you set out to conduct a hypothesis test at a stringent 99% level. Fill rates are distributed Normally. You take a sample of 50 different Coke cans and carefully measure the amount of product. From this sample, you calculate an avg fill of 12.3 ounces, with a standard deviation of 0.75 ounces. Do you reject or not-reject the null hypothesis? Group of answer choices Do not reject the null hypothesis. Reject the null hypothesis.arrow_forwardSuppose are running a study/poll about the accuracy rate for fingerprint identification. You randomly sample 74 people and find that 41 of them match the condition you are testing. Suppose you are have the following null and alternative hypotheses for a test you are running: Ho:p = 0.53 Ha:p + 0.53 Calculate the test statistic, rounded to 3 decimal places = Zarrow_forward
- A publisher reports that 44% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 260 found that 40% of the readers owned a particular make of car. State the null and alternative hypotheses.arrow_forwardA publisher reports that 52 % of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 350 found that 46 % of the readers owned a laptop. State the null and alternative hypotheses.arrow_forwardplease answer in text form and in proper format answer with must explanation , calculation for each part and steps clearlyarrow_forward
- A poll of 2,122 randomly selected adults showed that 93% of them own cell phones. The technology display below results from a test of the claim that 92% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.05 significance level to complete parts (a) through (e). Test of p = 0.92 vs p *0.92 Sample X 1 N 2,122 1970 Sample p 0.928369 95% CI The P-value is (Round to three decimal places as needed.) (0.917397,0.939341) a. Is the test two-tailed, left-tailed, or right-tailed? O Two-tailed test O Left-tailed test O Right tailed test b. What is the test statistic? The test statistic is (Round to two decimal places as needed.) c. What is the P-value? Z-Value 1.42 P-Value 0.155arrow_forwardplease assistarrow_forwardThe p-value for a hypothesis test turns out to be 0.0985. At a 8% level of significance, what is the proper decision? Reject H0H0 Fail to reject H0arrow_forward
- Please answer a-Garrow_forwardplease helparrow_forwardAn online poll asked: "Do you believe the Loch Ness monster exists?" Among 22185 responses, 69%were "yes." Use a 0.10 significance level to test the claim that most people believe that the Loch Ness monster exists. How is the conclusion affected by the fact that Internet users who saw the question could decide whether to respond? Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. H0: p>0.5 H1: p=0.5 B. H0: p=0.5 H1: p<0.5 C. H0: p=0.5 H1: p>0.5 D. H0: p=0.5 H1: p≠0.5 Part 2 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is enter your response here. (Round to two decimal places as needed.) Part 3 Identify the P-value for this hypothesis test. The P-value for this hypothesis test is enter your response here. (Round to three decimal places as needed.) Part 4 Identify the conclusion for this hypothesis test.…arrow_forward
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