Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Does lovastatin (cholesterol-lowering drug) minimize the risk of heart attack? In Texas study, researchers gave lovastatin to 2,325 people and inactive substitute to 2,081 people (average age 58). After five years, 57 of lovastatin group had suffered heart attack, compared with 97 for the inactive pill.

a) Describe the appropriate hypotheses.

b) Make a test statistic and p-value. Interpret the results at _ = .01.

c) Is normality assured?

d) Is the difference large enough to be significant?

e) What else would medical researchers need to know before the prescribing this drug widely?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M916872

Have any Question? 


Related Questions in Statistics and Probability

1 how many conditions are there in the simplest possible

1. How many conditions are there in the simplest possible experiment? 2. Describe how participants are assigned to conditions in randomized groups, matched-subjects, and repeated measures experimental designs. 3. What ar ...

Your assignment this week is to describe structural

Your assignment this week is to describe structural equation modeling in which you include: (a) a comparison of the first and second generation models of structural equation modeling and their related major assumptions, ...

Following the rash of school shootings that occurred in the

Following the rash of school shootings that occurred in the late 1990s, some individuals suggested that violent video games were making children and adolescents more aggressive. Imagine that you obtained a sample of 150 ...

The middlecreek branch of the national bank of virginia has

The Middlecreek Branch of the national bank of Virginia has 8 real estate loans over $1,000,000. Of these 8 loans, 3 are "underwrite." A loan is underwater if the amount of the loan is greater than the value of the prope ...

Mrjassica manager of appliances for midtown department

Mr.jassica, Manager of appliances for midtown department store feels that her inventory levels of stoves have been running higher than necessary. Before revising the inventory policy for stoves she records the number sol ...

Final stats paper the final paper provides you with an

Final Stats Paper The final paper provides you with an opportunity to integrate and reflect on what you have learned in this course. The question to address is: "What have you learned about statistics?" In developing you ...

Joshua and his army are planning to circle jericho seven

Joshua and his army are planning to circle Jericho seven times. Will the wall come tumbling down? The king of Jericho reports that: I ascribe probability 0.8 to "the wall of the city will fall, and Joshua ascribes probab ...

John is an avid fisherman and wants to know if there is a

John is an avid fisherman and wants to know if there is a correlation between the amount of time he spends fishing and the amount of fish he catches. He decided to keep track of the time he spent at the lake and the amou ...

A researcher was interested in whether people tend to marry

A researcher was interested in whether people tend to marry individuals who are about the same level of physical attractiveness as they are. She took individual photographs of 14 pairs of spouses. Then, she had 10 partic ...

Read the scenario related to identifying variables and

Read the scenario related to identifying variables and developing problem statements and then answer the three questions. Scenario: Retention of minority women in the workplace is becoming more and more difficult. Not fi ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen