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2 years ago

Someone plssssss help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Cloud [144]2 years ago

5 0

Answer:

That is zearn you know it you got this

Step-by-step explanation:

emmasim [6.3K]2 years ago

5 0

Answer:

here ya go.

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

liraira [26]

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 $\left.11.04\right)$ .

8 0

2 years ago

I need help answering

Sever21 [200]

Rupees 937.36

think it's right

4 0

2 years ago

In which of the expression below does n=3 ? select all that apply.

PilotLPTM [1.2K]

Answer:

B and C

if n=3 then 5ⁿ=5³=5×5×5=125

n³=3³=3×3×3=27

hope it helps :)

7 0

3 years ago

2 1/2 + (-1/3)<br> PLz, help me with this question.

dem82 [27]

Answer:

2 1/6

Step-by-step explanation:

7 0

2 years ago

What will be the worth?

Gelneren [198K]

the more years the money stays invested, the more interest it earns, so clearly, if the compounding cycle is the same for both options, and the rate of 7% is the same as well for both, then the one with more years will give more interest..

so depends on what "best" means in this context, but if it's more interest earned, 3 years gives more interest than 2 years of course.

8 0

3 years ago