Basic Probability Questions and Solutions

The video tutorial covers basic probability concepts through various examples. It starts with calculating the probability of choosing chocolate ice cream over vanilla, followed by determining the probability of drawing a king or queen from a deck of cards. The tutorial then explores the probability of different outcomes when tossing two coins, including at least one head, exactly one head, and at most one tail. Finally, it discusses the probability of rolling a dice and getting an odd prime number, a number not less than four, and a number not more than two. The video emphasizes understanding the questions thoroughly to solve probability problems accurately.

What is the empirical probability of a friend choosing chocolate ice cream if 78 out of 100 friends chose vanilla?

• 0.22

• 0.78

• 0.50

• 0.44

In a standard deck of 52 cards, what is the probability of drawing either a king or a queen?

• 2/13

• 1/13

• 1/26

• 1/52

When tossing two coins, what is the probability of getting at least one head?

• 1/3

• 3/4

• 1/2

• 1/4

What is the probability of getting exactly one head when tossing two coins?

• 1/4

• 1/2

• 3/4

• 1/3

If two coins are tossed, what is the probability of getting at most one tail?

• 1/3

• 3/4

• 1/4

• 1/2

When rolling a dice 200 times, what is the probability of rolling a number not less than four?

• 0.17

• 0.34

• 0.50

• 0.68

What is the probability of rolling a number not more than two on a dice?

• 0.50

• 0.68

• 0.34

• 0.17