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labwork [276]
3 years ago
6

Select the correct answer.

Mathematics
2 answers:
kakasveta [241]3 years ago
8 0

Answer:

f(x) = |x − 7| − 3

Step-by-step explanation:

N76 [4]3 years ago
3 0

Answer:

answer D

Step-by-step explanation:

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An operations analyst counted the number of arrivals per minute at an ATM in each of 30 randomly chosen minutes. The results wer
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Step-by-step explanation:

since Poisson distribution parameter is not given so we have to estimate it from the sample data. The average number of of arrivals per minute at an ATM is

\hat{\lambda}=\bar{x}=\frac{\sum x}{n}=\frac{30}{30}=1

So probabaility for \mathrm{X}=1 is

P(X=1)=\frac{e^{-\lambda} \lambda^{x}}{x !}=\frac{e^{-1} \cdot 1^{1}}{1 !}=0.3679

So expected frequency for X=1 is 0.3679^{*} 30=11.037 (or \left.11.04\right) .

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3 years ago
4.) Katrina is reading a book that has 384 pages. If she reads 12 pages a day, how many days will it
JulsSmile [24]

384 / 12 = 32.

Long division.

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Is it possible for a triangle to have sides with the given lengths? Explain. 5 in., 8 in., 15 in.
Nitella [24]
<span>Triangle Inequality Theorem

</span><span>the sum of two side lengths of a triangle is always greater than the third side.
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5+8=13 
your answer = no
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3 years ago
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What is the sum of the fractions? Use the number line to help find the answer.
Brut [27]

Answer:negative four fifths

Step-by-step explanation:

7 0
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The lateral surface area of a cylinder is given by the formula S=2pieRH . Solve the equation for r
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S=2pieRh
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