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30-07-2016
Mathematics

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Jason and Kyle both choose a number from 1 to 10 at random. What is the probability that both numbers are odd?. A.1/3. B.1/2. C.1/4 . D.1/8.

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Hussain514 Hussain514

02-08-2016

There are 100 possible pairs of numbers.
Half of them start with an even number so only 50 have a first odd number.

Of those remaining 50, half of those have an odd second number.
Leaving 25 of the original 100 to have two odd numbers.

P= 25/100=1/4

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