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2 years ago

Which equation is equivalent to the expression (-2x to the power of two) (3x to the power of 5)?

Mathematics

1 answer:

navik [9.2K]2 years ago

7 0

Answer: pretty sure the answer is D

Step-by-step explanation:

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Assume that the Poisson distribution applies to the number of births at a particular hospital during a randomly selected day. As

kakasveta [241]

Answer:

0.9999985 = 99.99985% probability that in a day, there will be at least 1 birth.

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.

Assume that the mean number of births per day at this hospital is 13.4224.

This means that $\mu = 13.4224$

Find the probability that in a day, there will be at least 1 birth.

This is:

$P(X \geq 1) = 1 - P(X = 0)$

In which

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

$P(X = 0) = \frac{e^{-13.4224}*13.4224^{0}}{(0)!} = 0.0000015$

Then

$P(X \geq 1) = 1 - P(X = 0) = 1 - 0.0000015 = 0.9999985
$

0.9999985 = 99.99985% probability that in a day, there will be at least 1 birth.

7 0

3 years ago

Whats the factor of. <img src="https://tex.z-dn.net/?f=3mx%5E%7B2%7D%20-19mn%2B6nx%5E%7B2%7D" id="TexFormula1" title="3mx^{2} -1

Sindrei [870]

The answer is 122222

8 0

3 years ago

Read 2 more answers

Choose the equivalent measurement. 10,500 pounds =

erastovalidia [21]

The wording is a bit strange but I can tell you a ton is 2,000 pounds. 10,500 pounds would be equal to 5.25 tons.

4 0

3 years ago

PLS HELP THIS IS DUE TODAY AND I JUST STARTED HELP IS VERY APPRECIATED

zaharov [31]

Answer: 22 yerar and 3 months are left .

5 0

3 years ago

The sides of a triangle are in the ratio, 4:5:7 and its perimeter is 64cm. find its area , correct to 2 decimal places

KATRIN_1 [288]

Answer:

Step-by-step explanation:

First find all the sides of the triangle:

Total parts: 4+5+7 = 16

cm per part = 64/16 = 32/8 =4cm

therefore, all measures: 16cm, 20cm, 28cm.

5 0

4 years ago

Read 2 more answers