Question

A card is picked at random from the following set: 6, 7, 8, 9. What is P (9)? Write your answer as a percentage.

Answer 1

25%

Explanation:

there are 4 options so there are 25% chance it will be 9

Answer 2

25% = (p) 1/4 = picking a number 9.

(p) 1/4 = 0.25 (results getting a number more than 8 or just getting 9

This is add rule from the 4 card set.

1/4 + 0 + 0 + 0 = 1/4

Because each (P) is equal and shows (P); 1/4

there are 1 event so 1/4 + 0= 1/4 = 0.25%

Explanation:

0.25 x 100 = 25%