an elevator in a hotel moves at 20 feet per second. leaving form the ground floor, its height in feet after t second is given by
1 answer:
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The answer would be 7.2
Answer:
Step-by-step explanation:
Given
Peter hits
Mary hits
Required
The probability that Mary wins
From the question, we understand that Peter throws the first.
If Mary is to win, then Peter has to lose his throw
Using the complement rule, the probability that Peter misses is:
So, the probability that Mary wins is:
This gives: