A certain type of missile hits the target with probability p=0.3. What is the least number of missiles should be fired so that there is at least an 80% probability that the target is hit?

A certain type of missile hits the target with probability p=0.3. What

1.	A certain type of missile hits the target with probability p=0.3. What is the least number of missiles should be fired so that there is at least an 80% probability that the target is hit?
A.	5
B.	6
C.	7
D.	None of the above
Answer» B. 6

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A certain type of missile hits the target with probability p=0.3. What is the least number of missiles should be fired so that there is at least an 80% probability that the target is hit?

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