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3 years ago

Due in 5 mins helpuhjj

Mathematics

1 answer:

jeka943 years ago

8 0

Answer:

n-5

Step-by-step explanation:

If n is the number, then the equation is n-5 because the number decreases by 5 each time.

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At an outpatient mental health clinic, appointment cancellations occur at a mean rate of 1.5 per day on a typical Wednesday. Let

Kamila [148]

Answer:

a) Cancellations are independent and similar to arrivals.

b) 22.31% probability that no cancellations will occur on a particular Wednesday

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given time interval.

Mean rate of 1.5 per day on a typical Wednesday.

This means that $\mu = 1.5$

(a) Justify the use of the Poisson model.

Each wednesday is independent of each other, and each wednesday has the same mean number of cancellations.

So the answer is:

Cancellations are independent and similar to arrivals.

(b) What is the probability that no cancellations will occur on a particular Wednesday

This is P(X = 0).

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

$P(X = 0) = \frac{e^{-1.5}*(1.5)^{0}}{(0)!} = 0.2231$

22.31% probability that no cancellations will occur on a particular Wednesday

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4 years ago

Carlos drinks 0.35L of milk every day. How much milk does he drink in 9 days? Write your answer in milliliters.

nikdorinn [45]

3150 milliliters
0.35*9 use the calc to convert from L to Ml

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3 years ago

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The table shows the relationship between time spent running and distance traveled in which type of model best describes the rela

crimeas [40]

Answer:

Relationship is linear as r is closest to 1.

Step-by-step explanation:

From statistics we know that,

$\text{Corelation Coefficient}=r=\dfrac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2-(\sum x)^2][n\sum y^2-(\sum y)^2]]}}$

Putting all the values from the table,

we get corelation factor as 0.9995

Therefore, the relationship is linear as r is closest to 1.

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3 years ago

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Angelina_Jolie [31]

Answer:

y= 0 x=1

Step-by-step explanation:

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3 years ago

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Thanks for the help!

labwork [276]

Answer:

Step-by-step explanation:

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3 years ago