9514 1404 393
Answer:
mutually exclusive
Step-by-step explanation:
The formula of interest is ...
P(A or B) = P(A) + P(B) - P(A and B)
Filling in the given values, we have ...
9/10 = 2/5 + 1/2 - P(A and B)
Solving for P(A and B), we get ...
P(A and B) = 2/5 +1/2 -9/10 = 4/10 +5/10 -9/10
P(A and B) = 0
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Events are mutually exclusive when <em>they can never happen at the same time</em>. That is, P(A and B) = 0.
The events A and B are mutually exclusive.
Answer:
Its 225
Step-by-step explanation:
1200 divided by 225 is 3
Answer:
that answer is false
Step-by-step explanation:
Answer:403+179 582
Step-by-step explanation:
"Two times longer" is taken to mean "two times as long".
The rectangle can be divided into two squares of area 7.5, so the short side is
... √7.5 ≈ 2.739