Help please :) Hypothesis Tests Review1. High levels of cholesterol in the blood are associated with higher risks of heart attacks. Will usinga drug to lower blood cholesterol reduce heart attacks? The Helsinki Heart Study recruitedmiddle-aged men with high cholesterol but no history of other serious medical problems toinvestigate this question. The volunteer subjects were assigned at random to one of the twotreatments: 2051 men took the drug gemfibrozil to reduce their cholesterol levels, and a controlgroup of 2030 men took a placebo. During the next five years, 56 men in the gemfibrozil group and84 in the placebo group had heart attacks. Is the difference statistically significant at the alpha =0.01 level?Họ: Pi - P2 = 0H: P1 - P2 < 02. Drug use is becoming an increasingly large problem at the high school athletic level and more andmore schools are beginning to employ randomized drug testing. If a student tests positive forillegal substances, he/she is removed from the athletic team, issued a one-week suspension andordered to attend a substance abuse class. In order to test for the use of illegal drugs, a urinesample is administered to a random sample of 100 athletes at ABC High School. The test uses thefollowing hypotheses:H,: student has not used drugs in last 72 hoursH: student has used drugs in last 72 hoursIn the context of this situation, describe a type I and a type II error.а.Турe I:Туре II:b.Which type of error do you think is more alarming from the student athlete's viewpoint?Explain.

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Hypothesis Tests Review 1. High levels of cholesterol in the blood are associated with higher risks of heart attacks. Will using a drug to lower blood cholesterol reduce heart attacks? The Helsinki Heart Study recruited middle-aged men with high cholesterol but no history of other serious medical problems to investigate this question. The volunteer subjects were assigned at random to one of the two treatments: 2051 men took the drug gemfibrozil to reduce their cholesterol levels, and a control group of 2030 men took a placebo. During the next five years, 56 men in the gemfibrozil group and 84 in the placebo group had heart attacks. Is the difference statistically significant at the alpha = 0.01 level? Ho: P1 - P2 = 0 H,: P, - P2 < 0

Hypothesis Tests Review 1. High levels of cholesterol in the blood are associated with higher risks of heart attacks. Will using a drug to lower blood cholesterol reduce heart attacks? The Helsinki Heart Study recruited middle-aged men with high cholesterol but no history of other serious medical problems to investigate this question. The volunteer subjects were assigned at random to one of the two treatments: 2051 men took the drug gemfibrozil to reduce their cholesterol levels, and a control group of 2030 men took a placebo. During the next five years, 56 men in the gemfibrozil group and 84 in the placebo group had heart attacks. Is the difference statistically significant at the alpha = 0.01 level? Ho: P1 - P2 = 0 H,: P, - P2 < 0

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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