SOLUTION: The letter A, B, C and D are written on cards and placed in a box. A card is drawn out, the letter on it noted down, and the card is placed back in the box. If this is done twice w

Question 941029: The letter A, B, C and D are written on cards and placed in a box. A card is drawn out, the letter on it noted down, and the card is placed back in the box. If this is done twice what is the probability of:
a. not getting a B?
b. not getting a C?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Look at all of the possible outcomes
AA AB AC AD
BA BB BC BD
CA CB CC CD
DA DB DC DD
There are 16 possible outcomes.
a)There are 9 outcomes without a B.

b)There are 9 outcomes without a C.

RELATED QUESTIONS
The letters A, B, C, D, E, and F are written on cards. One card is selected at random and (answered by edjones)

A box contains 50 index cards. One letter is written on each card. There are 5 cards... (answered by swincher4391)

A box contains 50 index cards. One letter is written on each card. There are 5 cards... (answered by Fombitz)

1. A coin is tossed thrice. What is the probability that at least 2 heads occur? 2. A... (answered by stanbon)

Each letter in THE UNITED STATES is written on a card and placed in a box.If you selected (answered by Gibby9995)

The letters of the word HONESTY are written on slips of paper, and are placed in a box. A (answered by nerdybill)

The five letters of the word 'TIMES' are written on five cards, with one letter on each... (answered by stanbon)

Four cards with "girl" printed on them and five cards with "boy" printed on them are... (answered by stanbon)