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ozzi
2 years ago
6

The average rate of job submissions in a busy computer center is 3 per minute. If it can be assumed that the number of submissio

ns per minute interval is Poisson distributed. Calculate the probability that at least 40 jobs will be submitted in 15 minutes.
Mathematics
1 answer:
san4es73 [151]2 years ago
3 0

The probability that at least 40 jobs will be submitted in 15 minutes is <u>0.79162</u>.

The number of jobs submitted per minute follows Poisson Distribution.

A Poisson Distribution over a variable X, having a mean λ, has a probability for a random variable x as  P(X= x) = e^{-\lambda} \frac{\lambda^{x} }{x!} .

In the question, we have the random variable x = 40.

The mean λ = Average jobs per minute*time = 3*15 = 45.

We are to find the probability that at least 40 jobs will be submitted in 15 minutes, which is represented as P(X ≥ 40) = P(X > 39).

P(X > 39) = 1 - P(X ≤ 39) = 1 - poissoncdf(45,39)

As to find the probability of a Poisson Distribution P(X ≤ x), for a mean = λ, we use the calculator function poissoncdf(λ,x).

Therefore, P(X > 39) = 1 - 0.20838 = 0.79162.

Therefore, the probability that at least 40 jobs will be submitted in 15 minutes is <u>0.79162</u>.

Learn more about the Poisson Distribution at

brainly.com/question/7879375

#SPJ4

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