Can sum1 help me cs this and then the opts don’t make sense to me and ik it says don’t use calc but the Calc also got what I got
so idk if I’m dumb or what
1 answer:
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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.