The weather forecast gives a 20% chance of rain tomorrow. If it is fine, the probability that Bernard will go sailing is 80%, bu
1 answer:
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Answer:
Final answer is A.
Step-by-step explanation:
From table we see that there are 7 places in the list.
Event A = The place is city.
Then indicates the place is NOT city.
From table we see that there are 4 names "India, Peru, Canada, Mexico" which are not city.
Hence probability that the chosen place is not city is given by:
Hence final answer is A.
Answer:
Step-by-step explanation:
First off, your drawing is kinda inaccurate, because the looks like a right angle, but as you drew it yourself it doesn't matter too much.
We know that the sum of the angles of a triangle will always equal , so we have that
.
Combining like terms on the left side gives .
Subtracting from both sides gives
.
So, and we're done!