оо
4. In a single throw of two dice, i pe
the probability of getting a sum
of 10 is
O 1/2
O 1/36
O 1/6
O 3/36
Answers
Answer:
ANSWER
As there are 6 numbers on one die and 6 on the other, the total number of ways the dice can fall is 36.
Let ( 1,4) represent rolling a 1 with the first die and a 4 with the second and so on.
A sum of 7 can be obtained in 6 ways - (1,6),(2,5),(3,4),(4,3),(5,2)and(6,1)
A sum of 8 can be obtained in 5 ways - (2,6),(3,5),(4,4),(5,3) and (6,2)
A sum of 9 can be obtained in 4 ways - (3,6),(4,5),(5,4) and (6,3)
A sum of 10 can be obtained in 3 ways - (4,6),(5,5)and(6,4)
A sum of 11 can be obtained in 2 ways -(5,6)and(6,5)
A sum of 12 can be obtained in 1 way - (6,6)
A sum greater than 7 occurs when the total is 8,9,10,11 or 12.
From the list above, this can happen in 5+4+3+2+1=15 ways
The probability of obtaining a sum greater than 7 is
36
15
that is
12
5
Answer:
3/36
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