A four- digit number ( with no repetitions) is to be formed from the set of number ( 0,1,2,3,4,5,6,7). Find the probability that the number :
a) is even
Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga.
Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus.
Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
You first find the number of four-digit numbers that may be formed from the above set.
Think of it this way, pick the numbers from right to left, least significant first.
Can you do that? \[8P4 \] But there is something—we can't place a zero.
Not the answer you are looking for? Search for more explanations.
the probability is 50 %
Let's think of slots.
_ _ _ _
We have 7 choices for the first(there are eight numbers in the set, but we can't place a zero).
7 for the second too(we have a zero with us the second time).
6 for the third. (We already have two numbers filled out of eight).
5 for the fourth. (We have three filled).