PRC-2 · Chapter 10 · Question 19 of 60
Two fair coins are tossed simultaneously. What is the exact probability of both coins landing on 'Heads'?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) 1/4
Explanation
The total possible outcomes for two coin tosses are (H,H), (H,T), (T,H), and (T,T). Since only one outcome (H,H) is 'both heads' out of the four possibilities, the probability is 1/4.
More Correlation and Regression MCQs
- Q21Calculate the probability of drawing either a 'King' or a 'Queen' from a standard well-shuffled deck of 52 playing cards.
- Q22In a box of 100 industrial parts, 5 are defective. If one part is chosen at random, what is the probability that it is NOT defective?
- Q23If events A and B are independent, how is the probability of both occurring (A ∩ B) mathematically calculated?
- Q24What is the probability of a person winning a prize if the numerical odds 'against' them winning are precisely 7 to 3?
- Q25In a bag containing 5 red, 3 green, and 2 blue marbles, what is the probability of randomly picking a marble that is NOT red?
