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My name is Ann [436]
2 years ago
13

HELPPPPP meeeee plsss

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
4 0

Answer:

720

Step-by-step explanation:

50/8=6.25

4,500/6.25=720

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Λ represents the average rate, and the expected number of events in a given time frame for the ____________ distribution.
enot [183]

Answer:

The correct answer is:

Poisson (A.)

Step-by-step explanation:

A Poisson distribution is used to model the number of events occurring within a given time interval, when the average number of times that the event occurs within the time interval is given.

Lambda ( λ ) is a rate parameter in Poisson's distribution, and it is used to represent "event/time", and it simply represents <em>the expected number of events in the interval.</em>

6 0
3 years ago
If it is assumed that the heights of men are normally distributed with a standard deviation of 2.5 inches, how large a sample sh
Volgvan

Answer:

30 men

Step-by-step explanation:

In order to be sure that the sample mean does differ from the population mean by more than 0.90, the sample size (n) that should be used is given by:

0.90 < Z\frac{s}{\sqrt{n}}

Where 'Z' , for a 95% probability is 1.960, 's' is the standard deviation of 2.5 inches:

0.90 > 1.960\frac{2.5}{\sqrt{n}}\\n >(\frac{1.960*2.5}{0.9})^2\\n>29.64

Rounding up to the nearest whole number, the sample size should be at least 30 men.

7 0
3 years ago
What is the image of the point (-6,2) after a 90 degree counterclockwise rotation
Gala2k [10]
The answer is (-2, -6)
to rotate 90 degrees counterclockwise, you do (-y, x)
5 0
2 years ago
Evelyn goes to a middle school that includes grades 6, 7, and 8. She wants to estimate the percentage of students in the school
morpeh [17]
<span>B. The sample might not be representative of the population because it only includes students who are attending an after-school activity.</span>
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2 years ago
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Is 9.59166304663 a rational or irrational number.
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it’s a rational number

4 0
2 years ago
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