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bonufazy [111]
1 year ago
15

Help is for today ( this is sets) pls

Mathematics
1 answer:
Strike441 [17]1 year ago
5 0

Answer:

57

Step-by-step explanation:

There are 30 English

There are 28 German

There is one that speaks all 3

30 + 28 - 1 = 57

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The production department has installed a new spray machine to paint automobile doors. As is common with most spray guns, unsigh
marta [7]

Answer:

10000*0.6065=6065

A. about 6,065

Step-by-step explanation:

Definitions and concepts

The Poisson process is useful when we want to analyze the probability of ocurrence of an event in a time specified. The probability distribution for a random variable X following the Poisson distribution is given by:

P(X=x) =\lambda^x \frac{e^{-\lambda}}{x!}

And the parameter \lambda represent the average ocurrence rate per unit of time.

For this distribution the expected value is the same parameter \lambda  

E(X)=\mu =\lambda=0.5  , Var(X)=\lambda=0.5, Sd(X)=707

Solution to the problem

We want "how many would have no blemishes" so first we need to find the probability that X=0, since X represent on this case the number of blemishes on each door. And if we use the mass function we got this:

P(X=0) =0.5^0 \frac{e^{-0.5}}{0!}=0.6065

And now since we have a total of 10000 doors painted we can find how many we would expect with no blemishes:

10000*0.6065=6065

A. about 6,065

4 0
3 years ago
How can 6691 divided by 28 66 can go into 3?
olya-2409 [2.1K]
If you want to know wheather 3 can go into a number,heres a trick add up the Numbers tge sum is divisible by 3 then the number itself is divisible by 3
7 0
3 years ago
Read 2 more answers
I need to graph it and find the slope plz help
dezoksy [38]

Answer:

slope = -1/3

y-int = 1

graph attached below

Step-by-step explanation:

in the equation y= mx+b, m is the slope, and b is the y-int

8 0
2 years ago
A line has a slope of -2 and a Y intercept of -3. Graph the line using the slope and y-intercept. Which of the following points
nikdorinn [45]
<h2>Greetings!</h2>

Answer:

(1.5 , 0) , (-6 , 9) , (3 , -9)

Step-by-step explanation:

First, you need to find the equation of the line, which is:

y = mx + c

Where m is the gradient (or slope) and c is the y-intercept. Simply replace these values with the one given to you:

y = -2x -3

Now, simply draw this line by finding two points,

x = 0

y = -2(0) - 3

y = -3 when x = 0

When x = 3

y = -2(3) - 3

y = -9 when x = 3

Now you can use these points to plot the graph. (attacthed a screenshot of it)

Now simply find which given co-ordinates fit on the line. The points on the line are:

(1.5 , 0) , (-6 , 9) , (3 , -9)


<h2>Hope this helps!</h2>

3 0
3 years ago
Read 2 more answers
3x-2 when x=-2 whats the answer
Hoochie [10]

Answer:

3x - 2 \\ 3( - 2) - 2 \\  - 6 - 2 \\  - 8            .answer

Step-by-step explanation:

please mark me brainliest please

7 0
3 years ago
Read 2 more answers
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