Answer:
a) 0.03
b) 0.68
c) 0.32
Step-by-step explanation:
We are given the following in the question:
B: companies in the area of biotechnology
I: companies in the area of information technology
P(B) = 0.2
P(I) = 0.15
The two events are given to be independent.
a) P(both companies become profitable)

0.03 is the probability that both companies become profitable
b) P(neither company becomes profitable)

0.68 is the probability that neither company becomes profitable.
c) P(at least one of the two companies become profitable)

0.32 is the probability that at least one of the two companies become profitable
Answer:
17.71
Step-by-step explanation:
Answer: b
Step-by-step explanation: I am 95% sure
Answer:
its proportional bc
Step-by-step explanation:
4.2 ÷3=1.4 and if you go 5 x 1.4 you get 7 same with the last one sorry im bad at explaining but i hope this helped