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# 6 points) Experiments by Rutherford and Geiger in 1910 showed that the number of alpha particles emitted per unit time in a radioactive process is a random variable...

## Question

###### 6 points) Experiments by Rutherford and Geiger in 1910 showed that the number of alpha particles emitted per unit time in a radioactive process is a random variable having Poisson distribution_ Let X denote the count over one second and suppose it has mean 5_ 2 points) What is the probability of observing fewer than two particles during any given second? 4 points) Lct Y dcnotc thc count Ovcr & scparatc pcriod of 1.5 seconds. What is P(Y > 10)?

6 points) Experiments by Rutherford and Geiger in 1910 showed that the number of alpha particles emitted per unit time in a radioactive process is a random variable having Poisson distribution_ Let X denote the count over one second and suppose it has mean 5_ 2 points) What is the probability of observing fewer than two particles during any given second? 4 points) Lct Y dcnotc thc count Ovcr & scparatc pcriod of 1.5 seconds. What is P(Y > 10)?

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