Use a calculator to determine if the statement is true or false.
2 answers:
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Answer:
Step-by-step explanation:
We need to find h for the following condition.
2,000×h = 0.004
Dividing both sides by 2000
So, the value of h is equal to .
Answer:
4 stations
Step-by-step explanation:
If we need to be at least 98% certain that an enemy plane flying over will be detected by at least one station, we must ensure that there is at most a 2% chance that no radar stations detect the plane.
The probability that a single radar station does not detect the plane is 0.35.
For n radar stations:
Rounding up to the next whole station, at least 4 stations are needed.