Probability 03-10-21

Which of the following cannot be the probability of an event?

• 1.5

• $\frac{3}{5}$

• 25%

• 0.3

A coin is tossed twice. The probability of getting both heads is

• $\frac{1}{2}$

• $\frac{1}{3}$

• $\frac{1}{4}$

• 1

A bag contains 5 black balls, 4 white balls and 3 red balls. If a ball is selected random wise, the probability that it is a black or red ball is

• $\frac{2}{3}$

• $\frac{8}{10}$

• $\frac{7}{12}$

• none of these

A card is drawn from a well-shuffled deck of 52 playing cards. The probability that the card will not be an ace is

• $\frac{1}{13}$

• $\frac{12}{13}$

• $\frac{3}{4}$

• $\frac{1}{4}$

A card is drawn at random from a well-shuffled deck of playing cards. Find the probability that the card drawn is a card of spade or an ace

• $\frac{4}{13}$

• $\frac{3}{13}$

• $\frac{2}{13}$

• none of these

A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

• 1/5

• 5/6

• 1/6

• 6/5

A regular 6-sided die is to be rolled one time. What is the probability that the number 4 is not rolled?

• 1/5

• 5/6

• 1/6

• 6/5

A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?

• 1/3

• 1/6

• 1/2

• 2/3

How many cards are in a standard deck of cards?

• 52

• 56

• 64

• 42

How many red cards are in a standard deck of cards?

• 16

• 20

• 26

• 13