# Quick Answer: What is the probability that the sum of two dice is 9?

Contents

## What is the probability of getting a sum of 9 on the two dice?

4. What is the probability of getting a sum 9 from two throws of a dice? Explanation: In two throws of a dice, n(S) = (6 x 6) = 36.

## What is the probability of rolling two six sided dice with a sum of 9?

Two (6-sided) dice roll probability table

Roll a… Probability
6 15/36 (41.667%)
7 21/36 (58.333%)
8 26/36 (72.222%)
9 30/36 (83.333%)

## How many ways are there to get a sum of 9?

So in total there are 25 ways to get a sum of 9. If you want the probability, just take this over the total number of possibilities and you get 25/63=25/216.

## What is the probability of getting a prime number from 1 to 100?

The prime numbers from 1 to 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97. Hence, the probability of the event that a number chosen from 1 to 100 is a prime number .

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## What is the probability of getting a sum of 22?

6+6+6+4=22 , this arrangement is possible in 4 ways with different positions of numbers 4 to appear. Hence, the option (B) is the correct answer.

## What is the probability of rolling a sum of at least 9?

Probabilities for the two dice

Total Number of combinations Probability
7 6 16.67%
8 5 13.89%
9 4 11.11%
10 3 8.33%

## How many ways can a sum of 2 or a sum of 10 be rolled with a pair of standard dice?

If you consider the chart on the webpage given, there are 36 combination of rolls you can get from two dice. When you consider the sum being 10, there are only 3 combinations. So, the probability of getting a 10 would be 3/36 = 1/12.

## What is the probability that the sum of two dice is 5?

The probability of rolling a pair of dice whose numbers add to 5 is 4/36 = 1/9.

## What is the sum of 10?

The addition of 7 to 8 results in a sum of digits of 6 and so on down to a sum of digits of 2.

Number Repeating Cycle of Sum of Digits of Multiples
7 {7,5,3,1,8,6,4,2,9}
8 {8,7,6,5,4,3,2,1,9}
9 {9,9,9,9,9,9,9,9,9}
10 {1,2,3,4,5,6,7,8,9}

## What is the probability of getting a total of nine?

How many ways can we get a 9 with two dice? 936 , which can be simplified to 14 . Therefore, the probability of rolling a 9 with two dice is 14 .

## How many outcomes have a sum of at least 9?

(ii) two numbers appearing on them whose sum is 9. Therefore, total number of possible outcomes = 36.