90 because 84 plus 90 divided by 2 is 87.
Answer:
There will be four parts
Step-by-step explanation:
lets say there are three green balloons and one yellow balloons. The ratio will be 3:1
2) 1/12 times 3/5 = 1*3 = 3 12*5 = 60 3/60 3 and sixty divided by 3
= 1/20 ANSWER
3) (-5/8)(-12/5) = the two 5's cancel each other. This becomes (-1/5)(-12/5) = 12/8 12 and 8 divided by 4
= 3/2 ANSWER
4) 6/7 divided by 8/7 becomes 6/7 times 7/8
7's cancel each other becomes 6/8
6 and 8 divided by 2
= 3/4 ANSWER
Answer:
Explained below.
Step-by-step explanation:
Denote the variable as follows:
M = male student
F = female student
Y = ate breakfast
N = did not ate breakfast
(a)
Compute the probability that a randomly selected student ate breakfast as follows:

(b)
Compute the probability that a randomly selected student is female and ate breakfast as follows:

(c)
Compute the probability a randomly selected student is male, given that the student ate breakfast as follows:

(d)
Compute the probability that a randomly selected student ate breakfast, given that the student is male as follows:

(e)
Compute probability of the student selected "is male" or "did not eat breakfast" as follows:

(f)
Compute the probability of "is male and did not eat breakfast as follows:
