Probability Skills Test

What is the experimental probability of rolling a 4 on a fair six-sided die?

• 1/3

• 1/6

• 1/4

• 1/5

If a bag contains 5 red marbles and 3 blue marbles, what is the theoretical probability of drawing a red marble?

• 5/8

• 3/8

• 2/5

• 4/8

If events A and B are independent, what is the probability of both events occurring?

• P(A) / P(B)

• P(A) - P(B)

• P(A) * P(B)

• P(A) + P(B)

In a deck of 52 cards, if you draw a card and do not replace it, what is the probability of drawing a red card followed by another red card?

• 1/4

• 50/102

• 25/102

• 26/102

If events X and Y are dependent, and the probability of event X occurring is 0.4 and the probability of event Y occurring given that event X has occurred is 0.6, what is the probability of both events occurring?

• 0.16

• 0.36

• 0.48

• 0.24

If the probability of rain on any given day is 0.3, what is the probability of no rain for 3 consecutive days?

• 0.343

• 0.09

• 0.45

• 0.27

A box contains 4 red balls and 6 blue balls. If you draw 2 balls without replacement, what is the probability of drawing 2 blue balls?

• 1/3

• 3/7

• 2/5

• 1/2

If the probability of winning a game is 0.2, what is the probability of losing the game?

• 0.1

• 0.8

• 0.3

• 0.5