card numbered from 7 to 40 probability of getting multiple of 7
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Sample space
S= { 7 to 40 no. }
n(s)= 33
Let A be the event that no. getting multiple of 7
A = { 7 ,14,21,28, 35}
n(a) = 6
p(a) = n(a) / n(s)
6/ 33
probability = 6/33
vikashkumar69:
it seems wrong
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