Question 1
A spinner contains the numbers 1 through 40. What is the probability that the spinner will land on a number that is not a multiple of 9? Give your answer as a fraction.
Question 2
While commuting, a driver sets her smartphone to randomly play songs from a pre-selected list. Of the songs on the list, 6 are rock, 5 are hip-hop, and 3 are country. What is the probability that the first song played is rock?
- Give your answer as a fraction.
Question 3
There are 26 cards in a hat, each of them containing a different letter of the alphabet. If one card is chosen at random, what is the probability that it is not between the letters L and P, inclusive?
- Enter your answer as a fraction.
Question 4
Boris is taking a quiz for an online class. For the quiz, the system randomly assigns 2 high-difficulty questions, 7 moderate-difficulty questions, and 6 low-difficulty questions. What is the probability that Boris is assigned a moderate-difficulty question first?
- Give your answer as a fraction.
Question 5
A deck of cards contains RED cards numbered 1,2,3,4,5,6, BLUE cards numbered 1,2,3,4,5, and GREEN cards numbered 1,2,3,4. If a single card is picked at random, what is the probability that the card has an ODD number?
Question 6
A critic randomly selects a movie to review from 3 action movies, 4 comedies, and 2 dramas. What is the probability that the critic selects a comedy?
- Give your answer as a fraction.
Question 7
A spinner contains the numbers 1 through 80. What is the probability that the spinner will land on a number that is not a multiple of 12?
- Give your answer in fraction form.
Question 8
A spinner contains the numbers 1 through 70. What is the probability that the spinner will land on a number that is not a multiple of 12?
- Give your answer in fraction form.
Question 9
A spinner contains the numbers 1 through 50. What is the probability that the spinner will land on a number that is not a multiple of 7?
- Give your answer in fraction form.
Question 10
A spinner contains the numbers 1 through 50. What is the probability that the spinner will land on a number that is not a multiple of 11?
Solution
Question 1
A spinner contains the numbers 1 through 40. What is the probability that the spinner will land on a number that is not a multiple of 9? Give your answer as a fraction.
Ans: 0.9
Question 2
While commuting, a driver sets her smartphone to randomly play songs from a pre-selected list. Of the songs on the list, 6 are rock, 5 are hip-hop, and 3 are country. What is the probability that the first song played is rock?
- Give your answer as a fraction.
Ans: 3/……………please follow the link below to purchase the solution at $5
