Author Question: The probability that an individual has 20-20 vision is 0.18. In a class of 18 students, what is the ... (Read 132 times)

chads108

  • Hero Member
  • *****
  • Posts: 507
The probability that an individual has 20-20 vision is 0.18. In a class of 18 students, what is the probability of finding five people with 20-20 vision?
 
  A) 0.278 B) 0.000 C) 0.18 D) 0.123

Question 2

A __________ is a random sample in which the sampling units consist of clusters of elements.
 
  A) stratified random sample B) cluster sample
  C) systematic sample D) simple random sample



dellikani2015

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

For a complete list of videos, visit our video library