How to find probability of opening a combination lock - algebra 2 question? - how many combinations can 39 numbers have
The homework in algebra 2 and I do not understand that answer. Can anyone help? Heres the problem:
a combination lock with numbers 0-39, you know the first number is a number that you know that the second number is in puberty, and you know that is the third in his thirties. What is the probability that the lock opened on the first try?
Friday, January 29, 2010
How Many Combinations Can 39 Numbers Have How To Find Probability Of Opening A Combination Lock - Algebra 2 Question?
2 comments:
The first question should be 0 to 9, so that there are ten numbers available.
The second number is 13 to 19, so there are 7 options.
The third, 30-39, 10 points possible. Therefore, the probability of 1 / (10 * 7 * 10), 1 700.
The first question should be 0 to 9, so that there are ten numbers available.
The second number is 13 to 19, so there are 7 options.
The third, 30-39, 10 points possible. Therefore, the probability of 1 / (10 * 7 * 10), 1 700.
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