MDTP Probability 2

Question 1

A jar has 4 red and 6 blue marbles. One marble is drawn without replacement. What is the probability both draws are red?

Accepted Answer

2/15

Answer

4/25

Answer

16/100

Answer

2/5

Question 2

Which value cannot be a probability?

Accepted Answer

1.5

Answer

0

Answer

0.5

Answer

1

Question 3

How many different 3-digit combinations can be formed from the digits 1–9 if repetition is allowed?

Accepted Answer

729

Answer

27

Answer

84

Answer

504

Question 4

P(A) = 0.6. What is P(A')?

Accepted Answer

0.4

Answer

0.6

Answer

1.6

Answer

0.36

Question 5

In how many ways can a committee of 2 be chosen from a group of 6 people?

Accepted Answer

15

Answer

12

Answer

30

Answer

36

Question 6

A student guesses randomly on a 4-choice multiple-choice question. What is the probability of guessing wrong?

Accepted Answer

3/4

Answer

1/4

Answer

1/2

Answer

1