What is the average of something (mean or mode) I really need to know I forgot what the difference was ho

2 answers:

5 0

The mean is the average, or when you add all the numbers and divide it by how many numbers there are. And the mode is how frequently some number appears in a set of numbers. (For example- 1,1,1, 4,9,1,6,13,6 ---> the mode is one.)

jeka942 years ago

3 0

The difference between mean and mode is that mode is the number that shows up most often and the mean is all the numbers add up then divided by how ever many numbers you added

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PLEASE HELP Simplify the expression 5^3+3(5-3) A.137 B.131 C.27 D.21

mojhsa [17]

Answer:

the correct answer is 131

Step-by-step explanation:

5^3 +3(2)

= 125 +6

=131

5 0

2 years ago

A shipment of 40 fancy calculators contains 3 defective units. What is the probability if a college bookstore buys 20 calculator

JulsSmile [24]

Answer:

38.46%

Step-by-step explanation:

There are no names or marking that can make the calculator look different, so the order is not important. Then we should use a combination to solve this problem.

There are 40 calculators in one shipment, 37 of them good items and 3 of them are defect items. We need to choose 19 good calculators and 1 defect calculator. The number of ways to do that will be:

$\frac{37}{19}$ * $\frac{3}{1}$ = 37! $\frac{37!}{19!(37-19!)} * \frac{3!}{1!(3-1)!}$ = 53017895700