Question

A locker combination contains four digits. Each digit can be from 0 through 9. What is the probability that a 4-digit combination chosen at random is made up of 4 digits that are all greater than 6 if each digit can be repeated? 1. Find the total number of possible outcomes. 1. (10)(10)(10)(10) 2. Find the number of favorable outcomes. 2. (3)(3)(3)(3) 3. Use the formula 3. P (event) = Number of favorable outcomes Number of possible outcomes

Answer 1

Answer:

The answer is 81/10.000 one Edge

Step-by-step explanation:

Did the test :)

Hope this helps!!!

Answer 2

Answer:  .81%

Step-by-step explanation:

Since each digit has to be greater than 6, that leaves only 7, 8, & 9 as successful digits.

$Probability = \dfrac{successful}{total\ possible}=\dfrac{3\times 3\times 3\times 3}{10\times 10\times 10\times 10}=\dfrac{81}{10,000}=.0081=.81\%$