Asked by Lauren

There are two integers from 1 through 40 and are chosen by a random number generator.
Write the final answer in a/b form.

1.) P(the same number is chosen twice)
2.) P(both numbers are less than 30)
3.) P(one number is even and one number is odd)
4.) P(both numbers are even)

Answers

Answered by bobpursley
1/40^2

2) 3/4 ^2

3) pr(even or odd)*pr(odd or even)
1/2
note the pr first is odd, secnd is even is 1/4, but the pr first id even, second is odd is 1/4, adding them, 1/2

4) 1/2*1/2
Answered by Lauren
SO, would I have to square #1 and 2 to get my answer?
Answered by bobpursley
yes.
a) 1/40 * 1/40
Answered by Lauren
So, would #2 be 6/4=3/2?
Answered by bobpursley
3/4 times 3/4 is 9/16
Answered by Lauren
And that's in the simplest form?
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