This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A class consists of 10 male and 30 female students. If one student is randomly selected from the ... (Read 116 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
on: Jun 20, 2018
A class consists of 10 male and 30 female students. If one student is randomly selected from the class, what is the probability of selecting a male student?
 
  a. 10/30 c. 1/10
  b. 10/40 d. 1/40

Question 2

Which of the following is a requirement for a random sample?
 
  a. Every individual has an equal chance of being selected.
  b. The probabilities cannot change during a series of selections.
  c. There must be sampling with replacement.
  d. All of the other 3 choices are correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kaytorgator

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

D


mynx

  • Member
  • Posts: 555
Reply 2 on: Jun 20, 2018
:D TYSM

dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
Female A. australis, the only Australian representative of Aythyinae Female A. australis, the only Australian representative of Aythyinae
The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga
Kids in Dancing Class Training Kids in Dancing Class Training
Video: Resting membrane potential - electrical polarity and maintenance requirements

For a complete list of videos, visit our video library