Question

Giving a test to a group of students, the grades and if they were a business majors are summarized below. One student is chosen at random. Give your answer as a decimal out to at least 4 places. A B C Total Business Majors 5 18 2 25 Non-business Majors 12 10 8 30 Total 17 28 10 55 a) Find the probability that the student was a non-business major or got a grade of A. b) Find the probability that the student was a non-business major and got a grade of A. c) Find the probability that the student was a non-business major given they got a grade of A. d) Find the probability that the student did not get a B grade. e) Find P(B ∪∪ Business Major), f) Find P(C | Business Major). ___

          Giving a test to a group of students, the grades and if they
were a business majors are summarized below. One student is chosen
at random. Give your answer as a decimal out to at least 4
places.
A
B
C
Total
Business Majors
5
18
2
25
Non-business Majors
12
10
8
30
Total
17
28
10
55
a) Find the probability that the student was a non-business
major or got a grade of A.
____
b) Find the probability that the student was a non-business
major and got a grade of A.
____
c) Find the probability that the student was a non-business
major given they got a grade of A. 
______
d) Find the probability that the student did not get a B
grade.
______
e) Find P(B ∪∪ Business Major), 
________
f) Find P(C | Business Major). 
_______

Added by Katie H.

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