the probability of spinning an even number is 1.2 the probability of getting a prime number is 4.3 what is the missing number on the spinning
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Given that probability of getting even number is 1/2 (or) 3/6 and probability of getting prime number is 4/6
the total chances of getting=6
let the unknown number be x
they are 3,4,5,7,8&x
without x here probability of getting even number is2/6
to get probability of getting even number as3/6 we need the x to be even
similarly probability of getting a prime number is 3/6 and we need the x to be a prime number also to get the probability of getting prime number as 4/6
By this we can know that x should an even number as well as a prime number
as we know, the only number that can be an even and a prime number is 2
therefore, x=2
the total chances of getting=6
let the unknown number be x
they are 3,4,5,7,8&x
without x here probability of getting even number is2/6
to get probability of getting even number as3/6 we need the x to be even
similarly probability of getting a prime number is 3/6 and we need the x to be a prime number also to get the probability of getting prime number as 4/6
By this we can know that x should an even number as well as a prime number
as we know, the only number that can be an even and a prime number is 2
therefore, x=2
genius7188:
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