Answer:
15
Step-by-step explanation:
5 X 10 = 50
170 / 50 = 3 sets = 15
I dont get what the letter mean what goes with each thing
Since M and N are independent events, 
Step-by-step explanation:
Two events A and B are said to be independent when the probability of A happening does not depend on whether B has happened or not.
In other word, this condition can be rewrite as follows:

where
is the probability of A happening given that B has happened
is the probability of A happening
In this problem, we have:
- M and N are independent events: so M does not depend on whether N occurs or not
Therefore,

- Also, we know that

Therefore, it follows that

Learn more about probability:
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Answer:
hhgvvhjhcffffhh
Step-by-step explanation:
tfffffffgfddvvgggg
Hey!
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Solution:
= -2.1 + 0.3 + -1.7 + -0.4
= -1.8 + -1.7 + -0.4
= -3.5 + -0.4
= -3.9
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Answer:
a) -3.9
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Hope This Helped! Good Luck!