PROBABILITY FOR HIGH SCHOOL

If Lara rolls a die once, then the probability of an even number is ....

• 1/4

• 3/4

• 1/2

• 3/2

• 1/3

The probability of getting two pictures when two coins are thrown at once by a student is ....

• 1/5

• 1/4

• 1/2

• 3/4

• 2/5

A die is rolled three times. What is the probability of getting at least one 6?

• 91/216

• 84/216

• 51/216

• 38/216

• 29/216

In a trial of rolling a die and a coin, what is the probability that we will see the number 5 side appear on the die and the picture side appear on the coin?

• 1/2

• 1/8

• 5/12

• 1/12

• 1/4

In a box there are 3 red balls, 4 green balls, and 5 blue balls. If one ball is drawn at random, what is the probability of getting non- green balls?

• 5/3

• 5/12

• 1/12

• 4/3

• 2/3

In a box there are 5 red balls and 3 blue balls. If one ball is picked at random, what is the probability that a red ball or a blue ball is picked?

• 1

• 1/8

• 3/8

• 5/8

• 7/8

If P(A) = 0.3 and P(B) = 0.5, with A and B mutually exclusive, what is P(A U B)?

• 0.15

• 0.2

• 0.8

• 0.5

• 0.3

If we conduct an experiment by throwing two dice at one time, what is the probability that we will get a final result in the form of a total of 5 or 6?

• 1/2

• 1/4

• 3/4

• 5/12

• 1/12

If the probability of a student passing exam A is 0.4, exam B is 0.6, and the probability of passing both exams is 0.3, what is the probability of passing at least one exam?

• 0.25

• 0.5

• 0.6

• 0.7

• 0.8

Of 52 cards, if A is the event of getting a heart card and B is the event of getting a king card, what is P(A U B) if A and B are not mutually exclusive?

• 6/13

• 4/13

• 2/5

• 1/2

• 1/52