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Mnenie [13.5K]
2 years ago
11

Which number would make the statement true? (2 points)

Mathematics
2 answers:
NemiM [27]2 years ago
6 0

0.243 > 0.232

The number 0.243 is greater than 0.232 and rest of them 0.253, 0.272, 0.293 is greater than 0.234 which makes the statement False.

alexandr402 [8]2 years ago
5 0

Answer:

0.253

Step-by-step explanation:

since it is greater than 0.243

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Answer:

The probability that a randomly selected call time will be less than 30 seconds is 0.7443.

Step-by-step explanation:

We are given that the caller times at a customer service center has an exponential distribution with an average of 22 seconds.

Let X = caller times at a customer service center

The probability distribution (pdf) of the exponential distribution is given by;

f(x) = \lambda e^{-\lambda x} ; x > 0

Here, \lambda = exponential parameter

Now, the mean of the exponential distribution is given by;

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So,  22=\frac{1}{\lambda}  ⇒ \lambda=\frac{1}{22}

SO, X ~ Exp(\lambda=\frac{1}{22})  

To find the given probability we will use cumulative distribution function (cdf) of the exponential distribution, i.e;

    P(X\leq x) = 1 - e^{-\lambda x}  ; x > 0

Now, the probability that a randomly selected call time will be less than 30 seconds is given by = P(X < 30 seconds)

        P(X < 30)  =  1 - e^{-\frac{1}{22} \times 30}

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7 0
3 years ago
a swimmer swam 48 kilometers in d days. What is the value of the d if the swimmer swam an average of 3.2 kilometers daily?
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3 years ago
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Trava [24]

Answer:

x/3 ≤ 5

I'm not sure if this is what you were looking for. If not, please be more specific in your questions!

7 0
2 years ago
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Step-by-step explanation:

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2 years ago
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