A class consists of 10 male and 30 female students. If one ...

[mynx]

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.

[Kaytorgator]

Answer to Question 1

B

Answer to Question 2

D

[mynx]

Gracias!

[rleezy04]

Thanks for the timely response, appreciate it