Lucia has 50 sports cards she has 20 football cards 10 baseball card 15 basketball card and five hockey cards a single card is selected at a random what is the probability that the card is a football card or basketball card

Step-by-step explanation:

Given : Total sports cards = 50

Number of football cards = 20

Number of basketball card = 15

Probability of getting a foot ball card =

Probability of getting a basketball card =

Since each card is different from another , so the events of drawing any card are independent.

In this case P(foot ball card or basket ball card)= P(foot ball card ) +P(basketball card)

Thus , the probability that the card is a football card or basketball card is .

soo this can be solve by using the formula:

f = p( 1 + i)^ n

where f is the future profit

p is the initial profit

i is the percent increase

n is the number of years

a . f = 30000 ( 1.05)^n

b. f = 30000 ( 1.05)^15

f = $62,368