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17 cards numbered {1, 2, 3, 4, ...15, 16, 17} are put in a box and mixed thoroughly. One

person draws a card from the box. Find the probability that the number on the card is:
.
an odd number.
a prime number
a number that is divisible by 3.

User Mahyar
by
2.4k points

1 Answer

9 votes
9 votes

Answer:

Odd number: 8/17 chance (not including 1 as odd) 9/17 if you're including 1

Prime number: 8/17 chance

Divisible by 3: 5/17 chance

Explanation:

There are 8 odd numbers (not including 1) out of 17 total numbers.

There are 8 prime numbers out of 17 total numbers.

The are 5 numbers divisible by 3 out of 17 total numbers.

Hope this helps!

User Danpop
by
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