Question 11
Two dice are thrown at the same time and the product of numbers appearing on them is noted. Find the probability that the product is a prime number

Subscribe to our Youtube Channel - https://you.tube/teachoo
Last updated at Oct. 1, 2019 by Teachoo
Question 11
Two dice are thrown at the same time and the product of numbers appearing on them is noted. Find the probability that the product is a prime number
Subscribe to our Youtube Channel - https://you.tube/teachoo
Transcript
Question 11 Two dice are thrown at the same time and the product of numbers appearing on them is noted. Find the probability that the product is a prime number To dice are thrown, and we note the product of numbers We know that Prime numbers are numbers with exactly 2 factors Example: 2, 3, 5, 7, 11, 13 In our case, Total outcomes where product is a prime number = 6 Total number of outcomes = 36 1/2 marks Now, P(Product is prime) = (๐๐ข๐ก๐๐๐๐๐ ๐คโ๐๐๐ ๐๐ข๐๐๐๐ ๐๐ ๐๐๐๐๐)/(๐๐๐ก๐๐ ๐๐ข๐๐๐๐ ๐๐ ๐๐ข๐ก๐๐๐๐๐ ) = 6/36 = 1/6 1/2 marks
CBSE Class 10 Sample Paper for 2019 Boards
Question 1
Question 2 (Or 1st)
Question 2 (Or 2nd)
Question 3 (Or 1st)
Question 3 (Or 2nd)
Question 4
Question 5
Question 6
Question 7 (Or 1st)
Question 7 (Or 2nd)
Question 8 (Or 1st)
Question 8 (Or 2nd)
Question 9
Question 10
Question 11 You are here
Question 12
Question 13
Question 14
Question 15
Question 16 (Or 1st)
Question 16 (Or 2nd)
Question 17 (Or 1st)
Question 17 (Or 2nd)
Question 18
Question 19 (Or 1st)
Question 19 (Or 2nd)
Question 20
Question 21 (Or 1st)
Question 21 (Or 2nd)
Question 22
Question 23 (Or 1st)
Question 23 (Or 2nd)
Question 24
Question 25
Question 26
Question 27 (Or 1st)
Question 27 (Or 2nd)
Question 28 (Or 1st)
Question 28 (Or 2nd)
Question 29
Question 30
About the Author