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3 years ago

A 56 kg miniature horse weighs 268 fewer kilograms than shetland pony

Mathematics

2 answers:

Charra [1.4K]3 years ago

7 0

If the mini horse is 56kg and it's 268kg less than a Shetland pony then a Shetland pony would weigh 56+268=324kg

Studentka2010 [4]3 years ago

6 0

Let
x--------> Shetland pony's <span>weigh
y--------> M</span><span>iniature horse's weigh

we know that
</span> $y=56 kg$
$x=268+y \\ x=268+56 \\ x=324 kg$

the answer is
Shetland pony's weigh is $324 kg$

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Read 2 more answers

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

NISA [10]

Answer:

a) 0.125

b) 7

c) 0.875 hr

d) 1 hr

e) 0.875

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 =

1 - p

= 1 - 0.875

=0.125

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

b) average number of requests that will be waiting for service will be given as:

λ/(μ - λ)

$= \frac{7}{8 - 7}$

= 7

= 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)

$= \frac{1}{(8 - 7)}$

= 1 hour

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λ/μ =

${7}{8}$

= 0.875

5 0

3 years ago