AP BIOLOGY

HEREDITY

BASICS OF PROBABILITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Rolling a pair of dice, find P(sum > 9).
A
1/2
B
1/12
C
1/6
D
1/9
Explanation: 

Detailed explanation-1: -Explanation: There are 36 possible outcomes of the additive dice roll. The way to roll a sum of 9 is 6 (and vice versa) and 3 or 5 and 4 (and vice versa). This is possible 4 of the 36 times, giving a probability the sum of the two dice rolled of 4/36 or 1/9.

Detailed explanation-2: -The probability of getting 9 as the sum when 2 dice are thrown is 1/9.

Detailed explanation-3: -∴ The probability of getting a 9 or 10 on single throw of 2 dice is 7/36.

There is 1 question to complete.