The chance of throwing at least 9 in a single throw with two... | MATH - DEFINITION OF PROBABILITY | SolveeIt | Solveeit

Today, August 18

Question

The chance of throwing at least 9 in a single throw with two dice, is

A

$\frac { 1 } { 18 }$

B

$\frac { 5 } { 18 }$

C

$\frac { 7 } { 18 }$

D

$\frac { 11 } { 18 }$

Answer

$\frac { 5 } { 18 }$

Explanation

Solution

Ways $\begin{array} { c c c c } 9 & 10 & 11 & 12 \\ \downarrow & \downarrow & \downarrow & \downarrow \\ 4 & 3 & 2 & 1 \end{array}$

Hence the required probability