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2 years ago

The table shows a relation.

Mathematics

1 answer:

Ann [662]2 years ago

4 0

Answer:

The answer is C because it isn't a function unless it has none of the same inputs with different outputs.

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What is 3/8 as a precent

Contact [7]

The answer to this question is 37.5%

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3 years ago

Read 2 more answers

Please help explanation if possible

Vilka [71]

Answer:

Number of years between 1950 and 2100 =

$2100 - 1950 = 150 \: years$

150 = 50 + 50 + 50 years.

$2500000 \times 150 = 375,000,000$

So, total population in 2100 is 375,000,000.

8 0

3 years ago

0.2x - 1 = -1 Fndndndnddsmsmsskaalamakaksnsndnx c cncjxmdnd

Sedaia [141]

Answer:

0.2

Step-by-step explanation:

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3 years ago

The number of typing errors made by a typist has a Poisson distribution with an average of three errors per page. If more than t

damaskus [11]

Answer:

0.6472 = 64.72% probability that a randomly selected page does not need to be retyped.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given interval.

Poisson distribution with an average of three errors per page

This means that $\mu = 3$

What is the probability that a randomly selected page does not need to be retyped?

Probability of at most 3 errors, so:

$P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3)$

In which

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

$P(X = 0) = \frac{e^{-3}*3^{0}}{(0)!} = 0.0498$

$P(X = 1) = \frac{e^{-3}*3^{1}}{(1)!} = 0.1494$

$P(X = 2) = \frac{e^{-3}*3^{2}}{(2)!} = 0.2240$

$P(X = 3) = \frac{e^{-3}*3^{3}}{(3)!} = 0.2240$

Then

$P(X \leq 3) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) = 0.0498 + 0.1494 + 0.2240 + 0.2240 = 0.6472$

0.6472 = 64.72% probability that a randomly selected page does not need to be retyped.

3 0

2 years ago

Round your answer to the nearest hundredth. C 5 B. 7 ? A

astraxan [27]

Answer:

If C is 5 and B is 7 the a is 9

7 0

3 years ago