Question

Two die are tossed Find the probability
(s) Sum of the digits an upper face is a prime number
(b) Digits on the upper face of the first die is less than the digito​

Answer 1

Answer:

1) prime number upto 12 are

2, 3, 5, 7, 11

(1,1), (1,2), (2,1), (1,4),(4,1),(2,3),(3,2),(1,6),(6,1),(2,5),(5,2),(3,4),(4,3),(6,5),(5,6)

Total favorable case = 15

P = 15/36 = 5/12

2) (1,2),(1,3),(1,4),(1,5),(1,6),(2,3),(2,4),(2,5),(2,6),(3,4),(3,5),(3,6),(4,5),(4,6),(5,6)

Total Favorable cases = 15

So  P = 15/36 = 5/12

Step-by-step explanation: