« previous next »

Author Question: In your college campus, 30 of the students use tobacco in some form. In your statistics class of 40 ... (Read 60 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jun 24, 2018
In your college campus, 30 of the students use tobacco in some form. In your statistics class of 40 students, the probability of finding at least 15 students who use tobacco is:
 a. 0.3051.
  b. 0.1949.
  c. 0.8051.
  d. 0.1515.
  e. 0.3485.

Question 2

The average speed of cars passing a checkpoint is 60 miles per hour with a standard deviation of 8 miles per hour. Fifty (50) passing cars are clocked at random from this checkpoint. The probability that the sample mean will be between 57 and 62 miles per hour is:
 a. 0.9576.
  b. 0.9960.
  c. 0.2467.
  d. 0.3520.
  e. 0.4659


scottmt

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Growth Chart for American Girls From Birth Through Age 3 Growth slows from infancy to toddlerhood b Growth Chart for American Girls From Birth Through Age 3 Growth slows from infancy to toddlerhood b
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
Sample budget spreadsheet form for first year of business. Sample budget spreadsheet form for first year of business.
The Impact of Cross-Ethnic Friendships on Minority Students’ Well-Being The Impact of Cross-Ethnic Friendships on Minority Students’ Well-Being
Ferns disperse by releasing spores that form on the underside of leaves. Ferns disperse by releasing spores that form on the underside of leaves.
Video: Structures that affect circulation - arterioles and vasomotor responses and venous return

For a complete list of videos, visit our video library