Question

To win LottoMania, the 5 numbers entered on the player’s entry ticket must be the same as 5 numbers
that are randomly selected from the numbers 1 to 30.
a. How many different entries are possible?
b. What is the percentage increase in the number of possible combinations if the numbers are
randomly selected from the numbers 1 to 35?

Answer 1

do you know this {\displaystyle C_{k}^{n}}C_{k}^{n}
{\displaystyle C_{n}^{k}}C_{n}^{k}

@Jadsa9 you ve learned about combination ?

Answer 2

see it here

https://en.wikipedia.org/wiki/Combination

Answer 3

do you understand it now ?

Answer 4

here are 30 numbers so you need calcule how can compute the five numbers possible from a standard 30 numbers