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Masja [62]
3 years ago
10

HELP WILL MARK BRAINLIEST!!! 20 POINTS

Mathematics
1 answer:
Vlad [161]3 years ago
7 0

Answer: it always increa

Step-by-step explanation:

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The reference desk of a university library receives requests for assistance. Assume that a Poisson probability distribution with
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Answer:

a) 0.125

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Step-by-step explanation:l

Given:

Arrival rate, λ = 7

Service rate, μ = 8

a) probability that no requests for assistance are in the system (system is idle).

Let's first find p.

a) ρ = λ/μ

\frac{7}{8} = 0.875

Probability that the system is idle =

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probability that no requests for assistance are in the system is 0.125

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λ/(μ - λ)

= \frac{7}{8 - 7}

= 7

(c) Average time in minutes before service

= λ/[μ(μ - λ)]

= \frac{7}{8(8 - 7)}

= 0.875 hour

(d) average time at the reference desk in minutes.

Average time in the system js given as: 1/(μ - λ)

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{7}{8}

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3 years ago
What do you add to 4 1/9 to make 6?
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1 8/9

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4 1/9 + 1 8/9=6 ........

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