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)
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
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
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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