math: probability

A locker combination has three nonzero digits, and digits cannot be repeated. If the first two digits are even, what is the probability that the third digit is even?

1. 👍
2. 👎
3. 👁
1. Assuming the digits are from 1 to 9, then the even is 2,4,6,8 and the odd are 1,3,5,7,9.

Prodd(ways/choices)=5/(2+5)

1. 👍
2. 👎
👤
bobpursley
2. how do you do probability in decimals

1. 👍
2. 👎
3. ex. 3 and 4 chance of something, it would be .75 because 4 (100) x 3 of 100 is 75 so its .75!

1. 👍
2. 👎
4. A locker combination has three nonzero digits, and digits cannot be repeated. If the first two digits are even, what is the probability that the third digit is even

1. 👍
2. 👎
5. A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3?

1. 👍
2. 👎
6. I'm sorry but i don't know the answer to your question, but i need help on this question:
A locker combination has three nonzero digits, and digits cannot be repeated. If the first two digits are even, what is the probability that the third digit is even?

1. 👍
2. 👎
7. I think the answer is 2/7

1. 👍
2. 👎

Similar Questions

1. math

How many 3 digit numbers can be formed from the digits 2,3,5,6,7 and 9 which are divisible by 5 and none of the digits is repeated?

2. Probability

How many different three-digit numbers can be formed using the digits 1,3,5,7 and 9 if the digits may be repeated?

3. Maths

How many numbers greater than 200 can be formed from the digits 1,2,3,4,5 if no digits is to be repeated in any particular number?

4. math

Solve the mathematical puzzle. Determine the digits of Q from these clues. The first and third digits of Q are even. The second and fourth digits of Q are odd. The first digit is two times the fourth digit. The first and second

1. maths

when a 3 digits number is reversed, the number decreases by 396. the diffrence between the digits at the units place and the digit at the tens place is the same as the difference between the digits at the tens place and the

2. algebra

a number of two digits divided by the sum of the digits the quotient is 7 and the remainder is 6 . if the digits of the number are interchanged, the resulting number exceeds three times the sum of the digits by 5.

3. discrete math

How many strings of four decimal digits (Note there are 10 possible digits and a string can be of the form 0014 etc., i.e., can start with zeros.) (a) have exactly three digits which are 9s?

4. math

License plates consist of letters and/ or digits. Calculate the number of licence plates that could be formed in each province or territory. Assume all numbers and letters are possible. a) Ontario, with 4 letters followed by 3

1. Mathematics

A small combination lock on a suitcase has 4 wheels, each labeled with the digits from 0 to 9. If an opening combination is a particular sequence of 4 digits with no repeats, what is the probability of a person guessing the right

2. math

if repeated digits are not allowed the number of four digit even numbers that can be formed from the digits 0,1,5,6,7,8,9 is

3. math

Solve the mathematical puzzle. Determine the digits of F from these clues. The digits of F are all the same. The sum of all the digits of F is 12. The answer when any two of the digits are multiplied together is also 9. F is a

4. Maths

A locker combination has four nonzero digits. If no digit can be repeated and the first three digits are 1-2-3, what is the probability that the fourth digit is 4? A. 1/6 B. 1/7 C. 1/8 D. 1/9