Probability Basic

A die is thrown once .What is the probability of getting a prime number?

Two coins are tossed simultaneously. Find the probability of getting at least one head.

A die is thrown once. What is the probability of getting a number greater than 4.

Choose the correct answer
If P(A) denote the probability of an event A, then _____ 

• P(A) < 0
• P(A) > 1
• 0 ≤ P(A) ≤ 1
• -1 ≤ P(A) ≤ 1

A die is rolled. What is the probability that the result is less than 3 ?

• 1/3

• 1/6

• 1/2

• 1/4

Roll a die one time. Find P(rolling a 4).

• 1/6

• 1/3

• 2/3

• 2/3

Roll a die one time. Find P(even number).

• 1/2

• 1/6

• 3/6

• 1/3

Draw one card from a standard deck. Find P(ace)

• 4/52

• 1/13

• 4/13

• 2/52

What is the value of Probability of impossible event?

• 1

• 0.5

• -1

• 0

Choose the correct option, if A and B are independent events

• A and B̅ are dependent

• A and B̅ are independent

• A and B are equal

• A and B̅ are equal