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3 years ago

Help help help help me

Mathematics

2 answers:

scZoUnD [109]3 years ago

6 0

Answer:

Acute

Step-by-step explanation:

Each angle is less than 90 and any angle less than 90 is acute, therefore, we can say without a doubt, that this triangle is acute

liberstina [14]3 years ago

3 0

Answer:

A.) acute all number are below 90 degrees i hope this helps! :)

Step-by-step explanation:

A.) acute

reason) all angle measurements are below 90 degrees

B.) right

one angle measurement is 90 degrees

C.) obtuse

a angle measurement is bigger than 90 degrees

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Answer:

0.9179 = 91.79% probability that a randomly selected call time will be less than 25 seconds

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

$f(x) = \mu e^{-\mu x}$

In which $\mu = \frac{1}{m}$ is the decay parameter.

The probability that x is lower or equal to a is given by:

$P(X \leq x) = \int\limits^a_0 {f(x)} \, dx$

Which has the following solution:

$P(X \leq x) = 1 - e^{-\mu x}$

The probability of finding a value higher than x is:

$P(X > x) = 1 - P(X \leq x) = 1 - (1 - e^{-\mu x}) = e^{-\mu x}$

In this question:

$m = 10, \mu = \frac{1}{10} = 0.1$

Find the probability that a randomly selected call time will be less than 25 seconds?

$P(X \leq x) = 1 - e^{-\mu x}$

$P(X \leq 25) = 1 - e^{-0.1*25} = 0.9179$

0.9179 = 91.79% probability that a randomly selected call time will be less than 25 seconds

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2 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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ANSWER

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EXPLANATION

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The correct answer is A

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