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  • please solve RD sharma class 12 chapter 30 Probablity Exercise very short answer question, question 2 maths textbook solution

please solve RD sharma class 12 chapter 30 Probablity Exercise very short answer question, question 2 maths textbook solution

Answers (1)

The probability of getting 4 or 5 on each of the dice simultaneously is \frac{1}{27}

Hint:

P(Getting \;4 \;or\; 5\; on\; each\; of\; the\; dice\; simultaneously ) =\frac{ Total \;number \;of \;favorable\; outcome}{Total\; number\; of \;sample\; space}

Given:

Three dice are thrown

Explanation:

It is given that , 

S = Three dice are thrown.

n(S)= total number of sample space

          = 216

A be an event of getting 4 or 5 on each of the dice simultaneously

A={445,454,544,455,545,554,555,444]

So, n(A)=8
At P(A)=\frac{n(A)}{n(S)}=\frac{8}{216}=\frac{1}{27}
Thus, required probability is \frac{1}{27}

The probability of getting 4 or 5 on each of the dice simultaneously is \frac{1}{27}

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