If p is chosen at random from the set (1,2,3,4)and q is to chosen at random from the set (5,6,7) what is the probability that first throw
Answers
probability that pq will be even = 2/3 If p is chosen at random from the set (1,2,3,4) & q from the set (5,6,7)
Step-by-step explanation:
Complete Question is
what is the probability that pq will be even
p is chosen at random from the set (1,2,3,4)
q is to chosen at random from the set (5,6,7)
=> total Possibilities = 4 * 3 = 12
pq will be Even if any of the even number will come or
= 1 - Probability of odd numbers from both
= 1 - (2/4)(2/3)
= 1 - 1/3
= 2/3
probability that pq will be even = 2/3
Another way :
Cases of Even pq
(1 , 6) , ( 2, 5) , ( 2 , 6) , ( 2, 7) , ( 3 , 6) , ( 4, 5) , ( 4 , 6) , (4 , 7) = 8
Probability = 8/12 = 2/3
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