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2. The probability that a rifleman hitting the target is 40%. Suppose he fires 8 times, what is the probability that he hits his target exactly 3 times. How about the probability that he hits his target at least once? duces 5% of their total production of smartphones

2. The probability that a rifleman hitting the target is 40%. Suppose he fires 8 times, what is the probability that he hits his target exactly 3 times. How about the probability that he hits his target at least once? duces 5% of their total production of smartphones

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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2. The probability that a rifleman hitting the target is 40%. Suppose he fires 8 times, what is the probability that he hits his target exactly 3 times. How about the probability that he hits his target at least once? 3. Assuming that Huawei produces 5% of their total production of smartphones are defective. If 10 items are to be chosen at random from the production line, what then is the probability that; a. all smartphones are not defective? b. at most 2 of the smartphones are defective? c. at least 3 of the smartphones are defective?
Transcribed Image Text:2. The probability that a rifleman hitting the target is 40%. Suppose he fires 8 times, what is the probability that he hits his target exactly 3 times. How about the probability that he hits his target at least once? 3. Assuming that Huawei produces 5% of their total production of smartphones are defective. If 10 items are to be chosen at random from the production line, what then is the probability that; a. all smartphones are not defective? b. at most 2 of the smartphones are defective? c. at least 3 of the smartphones are defective?
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