Question

1. Which of the following is an example of a random experiment? (a) Selecting a card from a pack of playing cards. ([7) Measuring the weight of a person. (c) Finding the length of your pencil box. (d) Throwing two coins together. 2. List the outcomes of spinning the wheel given alongside. Also, find the D respective probabilities. c 3. Find the probability of selecting the letter ‘6’ from the letters of the ‘ word ‘ENGLISH’.

4. A bag contains 5 red balls and 7 green balls. One ball is selected at A random from the bag.

What is the probability that the selected ball is green?

5. A dice is thrown 30 times. How many times do you expect the number 6 to appear on the top?

6. Look at the diagram given alongside. A spinner is spun 60 times.

How many times do you expect the pointer to rest at the green sector?

7. Find the probability of getting an ace when a card is selected at random from a pack of 52 playing cards.

8. Two dice are thrown simultaneously. Find the probability of: (a) getting a sum less than 4. ([7) getting a doublet, i.e., {(1, 1), (2, 2), (3, 3)} (6, 6)].

9. An integer is chosen at random from the first 50 chosen integer is divisible by 5?

positive integers. What is the probability that

Answer 1

1. a
3. 1/7
4. 7/12
5. n no. of times
7. 1/13
8.(a). 1/6
9. 1/5