# Answer to Question #490 in Statistics and Probability for anna

Question #490

A particle flies through the absorbing screen with the probability 0.01. What is the expected value of the number of flown through the screen particles if the total number of them is 100? How large is the probability that more than 11 particles can fly through the screen?

Expert's answer

Answer: the expected value of the number of particles flown through the screen is 1. According to the Chebyshev’s inequality this probability is not bigger than 0.0099.

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