A medical researcher contends that lung capacity varies

Reference no: EM13602881

1. A medical researcher contends that lung capacity varies significantly between smokers and nonsmokers. The mean capacity of a sample of 30 nonsmokers is 5.0 litters with a sample standard deviation of 0.3 liters. What is the p-value for this question if we want to test that lung capacity is larger among nonsmokers (lung capacity of smokers is 4.0 litters)?

A. 0%

B. 30%

C. 0.3%

D. None of the above

2. A medical researcher contends that lung capacity varies significantly between smokers and nonsmokers. The mean capacity of a sample of 30 nonsmokers is 5.0 litters with a sample standard deviation of 0.3 liters. At the 0.01 significance level, is there sufficient evidence to conclude that lung capacity is larger among nonsmokers, if lung capacity of smokers is 4.0 litters?

A. Yes

B. No

C. We cannot answer the question with the available information.

Reference no: EM13602881

Questions Cloud

In 1910 rutherford performed a classic experiment in which : in 1910 rutherford performed a classic experiment in which he directed a beam of alpha particles at a thin gold foil.

In 2005 the average gpa for students was 315 a sample in : 1. in 2005 the average gpa for students was 3.15. a sample in 2008 showed that the average gpa for students was 3.46.

Ceradyne projects its factory rent to be 6000 in august : ceradyne projects its factory rent to be 6000 in august when 8600 units are expected to be produced. if rent is a

Soner company has had a net income of 6100 3600 10000 and : sooner company has had a net income of 6100 3600 10000 and 9900 over the first four years of the companys existence. if

A medical researcher contends that lung capacity varies : 1. a medical researcher contends that lung capacity varies significantly between smokers and nonsmokers. the mean

Assume that logan company uses a periodic inventory system : assume that logan company uses a periodic inventory system and has these account balances purchases 404000 purchase

Dw has an ending retained earnings balance of 51700 if : dw has an ending retained earnings balance of 51700. if during the year dw paid dividends of 4700 and had net income of

An electron is initially at rest just outside a large : an electron is initially at rest just outside a large copper surface that has a charge density of 1.04 x 10-6 cm2. how

Let x be a discrete and nonnegative rv show : let x be a discrete and nonnegative r.v. show thatexnbsp

User Account

All Pages