Class 12 Mathematics Chapter 13 Probability Quiz 6 (25 MCQs)

Quiz Instructions

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1. If P(A/B)=P(A), then .....
2. Which percent is equivalent to 2/5?
3. How confident do you feel about our Probability Test tomorrow?Remember to write down any questions you might have to ask before we begin our test tomorrow.
4. What is the likelihood an NLMS student is a boy?
5. What is the probability of choosing a vowel from the alphabet?
6. If you roll a 6 sided dice what is the probability of rolling a 4?
7. 11 books are placed at random in a shelf. The probability that a pair of books will always be together is-.
8. The probability of getting a job for a person is x/3 . If the probability of not getting the job is 2/3 then the value of x is
9. There are 4 jacks in a standard deck of 52 playing cards. If Peyton selects a card at random, what is the probability that it will be a jack?
10. A coin is tossed ten times. What is the probability that there are exactly 6 heads?
11. You are going away for a weekend in December. You can choose an activity:ice skating or skiing You can choose a warm drink after being outside:hot chocolate or apple cider. You can choose a snack:cookie or cupcake. What is the probability your activity will include skiing?
12. The more number of trials conducted in an experiment and the more data collected, the closer an event's experimental probability will align with its theoretical probability.
13. A survey found that 25% of pet owners had their pets bathed professionally rather than do it themselves. If 18 pet owners are randomly selected, find the probability that exactly 5 people have their pets bathed professionally.
14. You are rolling a die with the numbers 1-6 on it. How probable is it that you will roll less than a 3?
15. A spinner has 4 sections:1 green, 1 blue, and 2 yellow. What is the probability of spinning and NOT landing on yellow?
16. The chance that some event will happen
17. You mix the letters below thoroughly. Find the ODDS in favor of drawing a consonant ..... NUMBERS
18. A purse contains 10 notes of ₹ 2000, 15 notes of ₹ 500, and 25 notes of ₹ 200. One note is drawn at random. What is the probability that the note is either a ₹ 500 note or ₹ 200 note?
19. In compound probability, if one event does not affect the other event or events, it is referred to as-
20. The percentage a specific frequency occurred out of all of the outcomes in the event
21. A bag has 10 marbles:4 red, 2 green, 2 blue, 2 yellow. If you reach in the bag and pull out one marble, what is the probability it will be an orange marble?
22. There are 8 blue marbles in a bag of 20 total marbles. What is the probablity of NOT choosing a blue marble at random from the bag?
23. The chance of flipping a tail on a normal coin is equally as likely as flipping a head.
24. Layla has 2 pairs of shoes and 6 pairs of socks. If each pair of socks and each pair of shoes is equally like to be chosen, which is the best simulation to show the probability of choosing any given combination?
25. Kaylee has 1 red, 3 blue, 2 brown, 5 black, 1 purple, and 4 pairs of pink flip-flops in her closet. Assuming she always replaces them, what is the probability that she will choose a blue pair on Monday and a pink pair on Tuesday?