Melissa bought many lottery tickets to try to figure out the probability of her losing, getting her money back, or winning. She counted that she had
57
5757 tickets that lost,
12
1212 tickets where she got her money back, and
42
4242 tickets that won.
Use the observed frequencies to create a probability model for the outcome of one lottery ticket.

I don't no

Step-by-step explanation:

I don't no this question

Step-by-step explanation:

Probability of losing = 0.514

Probability of getting money back = 0.108

Probability of winning = 0.378

Step-by-step explanation:

The number of tickets that lost = 57

The number of tickets where she got her money back = 12

The number of tickets that won = 42

The total number of tickets = 57 + 12 + 42 = 111

∴ The probability of her losing =

The probability of getting her money back =

The probability of winning =

Read more on -

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

the answer to this is a. a^2 + b^2 = c^2