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3 years ago

How many cubes with a side length of 1/2 units will completely fill the prism

Mathematics

1 answer:

ValentinkaMS [17]3 years ago

5 0

To answer the question, the units of the prism would have to be stated. Other wise the answer would never be found.

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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

3 years ago

(Branliest!) Edith uses the greatest common factor and the distributive property to rewrite this sum: 32 + 24 Which expression d

kotykmax [81]

Answer:

A. 2(16+12)

Step-by-step explanation:

1. 2x16=32

2. 2x12=24

3. 32+24=56

4 0

4 years ago

Read 2 more answers

Find the value of x. WILL GIVE BRAINLIEST!!!

Readme [11.4K]

Answer: x = 16

Step-by-step explanation:

24 + 2 + 4x = 90

26 + 4x = 90

4x = 64

x = 16

6 0

3 years ago

Find the value of x plz i will mark brainliest

irinina [24]

Answer:

x=30

Step-by-step explanation:

Angle sum in a triangle=180

x+3x+2x=180

6x=180

x=30

4 0

3 years ago

Read 2 more answers

PLEASEEEE ANSWERRR FASTTTT!!!!!!!!!!What is the equation of the line whose graph is shown?

Mamont248 [21]

Answer:

Step-by-step explanation:

The equation of a line passing through the origin is

y = mx ( m is the slope )

To find m use the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (1, 1) and (x₂, y₂ ) = (- 1, - 1) ← 2 points on the line

m = $\frac{-1-1}{-1-1}$ = $\frac{-2}{-2}$ = 1

y = x ← is the equation of the line → A

8 0

4 years ago