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2 years ago

WHAT IS 8537+7572 X 64 IM TIMED

Mathematics

2 answers:

Aneli [31]2 years ago

7 0

Answer:

Your answer 493145

madreJ [45]2 years ago

7 0

Answer:

=493145

Step-by-step explanation:

8537+(7572)(64)

=8537+484608

=493145

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A smog alert has been called in a certain area of Los Angeles County in which there are 50 industrial rms. An inspector will vis

damaskus [11]

Answer:

Part (A) The required PMF is: $P(X=x)=\frac{\binom{15}{x}\binom{50-15}{10-x}}{\binom{50}{10}}$

Part (B) $B(x;n,p)=\binom{10}{x}(0.3)^x(1-0.3)^{10-x}$

Step-by-step explanation:

Consider the provided information.

There are 50 industrial rms. An inspector will visit 10 randomly selected rms to check for violations of regulations.

Part (A)

15 of the rms are actually violating at least one regulation.

Let X is the number of firms violate at least one regulation from 10 randomly selected rms to check for violations of regulations out of 50 firms of which 15 5 of the rms are actually violating.

Therefore, $X\sim Hypergeom(n=10, M=15\ and\ N=50)$

We need to determine probability mass function.

$P(X=x)=Hyper(x; n=10, M=15, N=50)\\=\frac{\binom{15}{x}\binom{50-15}{10-x}}{\binom{50}{10}}$

Hence, the required PMF is: $P(X=x)=\frac{\binom{15}{x}\binom{50-15}{10-x}}{\binom{50}{10}}$

Part (B) If there are 500 rms in the area, of which 150 are in violation, approximate the pmf of part.

Here N=500 so find the probability of p as shown below:

$p=\frac{150}{500} =0.3$ and n=10

$B(x;n,p)=B(x;10,0.3)\\=\binom{10}{x}(0.3)^x(1-0.3)^{10-x}$

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3 years ago

In a normal distribution, a data value located 0.8 standard deviations below the mean has Standard Score: z =

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Answer:

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3 years ago

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aksik [14]

Answer:

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Step-by-step explanation:

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3 years ago

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Let's say that x represents hours that Elizabeth volunteers over 1 week. Katie volunteers x+3 and Siobhan x-1 hours per week. The equation that arises from condition in text is:
3*(x+3) = 3*(x + x-1)
x+3 = 2*x - 1
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2 years ago

Read 2 more answers

How to simplify -12 divided by 3•(-8+(-4) to the seccond power-6)+2

ehidna [41]

-12/3•(-8(-4)^2-6)+2 Original Equation
-12/3•(-8+16-6)+2 Simplify the (-4)^2
-12/3•(2)+2 Simplify everything inside the equation
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2 years ago