Question

3. Find the.
(a) Probability of the pointer stopping on D in (Question 1-(a))?
(b) Probability of getting an ace from a well shuffled deck of 52 playing cards?
(c) Probability of getting a red apple. (See figure below)
GR
R
R​

Answer 1

Answer:

(a) The pointer can stop at one of following regions A,A,B,C,D.

Only in ⊥ case that pointer will stop at region D.

Probability:

5

1

(b) There are 52 cards: 4 ace cards

Probability of getting an ace card

=

52

4

=

13

1

(c) There are a total of 7 apple, out of which 4 are red, 3 are green.

Probability of red apple =

7

4

Answer 2

b)Let p(a) be the probability of getting an ace in a well shuffeled deck of 52 playing cards

                     ∴P(a)=4/52

                              =1/13