Answer:
15,240,960 serial numbers
Step-by-step explanation:
Since no repeats are allowed and the order matters, the number of possible serial numbers is given by the product of the permutation of 4 out of 9 letters by the permutation of 4 out of 10 numbers:
There are 15,240,960 ways to generate a serial number.
Answer:
1 4/5
Step-by-step explanation:
When you divide 9 into groups of 5, you have one whole group and 4/5 of a second group. Diagram is attached below.
Answer:
In these situations, the median is generally considered to be the best representative of the central location of the data. The more skewed the distribution, the greater the difference between the median and mean, and the greater emphasis should be placed on using the median as opposed to the mean.
