draw a tree diagram. Find each probability.

The students of a high school are 51% males; 45% of the males and 49% of the females attend concerts.

a. find the probability that a student attends concerts

b.find the probability that a student is a female and does not attend concerts

Question

draw a tree diagram. Find each probability.

The students of a high school are 51% males; 45% of the males and 49% of the females attend concerts.

a. find the probability that a student attends concerts

b.find the probability that a student is a female and does not attend concerts

bookworm14 · Answer

does your answer need to be in percent form?

anonymous · Answer

it doesn't matter

ybarrap · Answer

|dw:1392085169631:dw|

ybarrap · Answer

a)

The student attends that attend concerts take the paths circled below:
|dw:1392085449881:dw|

The students that don't attend take the other paths. Not circled.

To find this probability we must find the number of students that are female and attend and add them to the males that attend and then divide by students that either don't attend or do attend to get the total possible.