Whilst shopping, the probability that Caroline buys fruit is 0.7. The probability that Caroline buys a CD is 0.6.
Buying fruit and buying a CD are independent of each other.
Work out the probability that she only buys fruit, only buys a CD, or buys both.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

What’s the answer? and how do i solve it ?