Answer:
23.25
Step-by-step explanation:
Subtract 7 from 100: 100 - 7 = 93
Multiply 25 and 93%: 25 × 93% = 23.25
I didn't do it this way, but I thought it would be faster for you.
Total numbers = 32
We are to select 7 numbers at a time. Selecting 7 numbers from a group of 32 is a combination problem. It is similar to making combination of 32 objects taken 7 at a time.
So total possible combinations of 7 numbers can be calculated as 32C7.
32C7 = 3365856
Only 1 combination can match the randomly selected combination.
So, the probability that he combination of 7 numbers will match the seven randomly selected balls =
Answer:
Step-by-step explanation:
do cross multiplication