Researchers often enter a lot of data into statistical software programs. The probability of making zero to two errors per 1,000 keystrokes is 0.51, and the probability of making three to five errors per 1,000 keystrokes is 0.25. Find the probabilities (per 1,000 keystrokes) associated with each of the following.

at most 2 errors:
at least 3 errors:
at most 5 errors:
more than 5 errors:

Answer:

12

Step-by-step explanation:

To have an even integer the number's endian has to be an even number. Consider the 2-digit positive number like _ _ and place the number of possible options out of four total options in each blank space. We have 3 even options, so we can fill the endian blank like this _ 3

Since the first digit can be any number, therefor, we have 4 options for the first blank space 4 3. Just multiply the two numbers and you have the answer.

22, 24, 28, 42, 44, 48, 52, 54, 58, 82, 84, 88

1. 0.625

2. 0.22222222222

3. 0.43243243243

4. -0.11111

5. 0.54

6. -0.75

22. −2 21/50

23. -4/25

24. -13/20

25. 0.62

26. 7/15

Answer:

Step-by-step explanation:

2.72 is the unit rate

Answer:

D. No solution

Step-by-step explanation:

correct on edg unit test review, hope that helped!

Answer:

[tex]=32 \sqrt{3x[/tex]

Step-by-step explanation:

Given that:

[tex]Simplify \ \sqrt{(64x)(12)}[/tex]

[tex]When \ simplifying \ radicals, we \ split \ them \ up by \ their \ factors[/tex]

i.e.

[tex]=\sqrt{64} \ * \sqrt{12} \ * \sqrt{x}[/tex]

[tex]=8 \ * 4\sqrt{3} \ * \sqrt{x}[/tex]

[tex]=32 \sqrt{3x[/tex]

Answer:

d. 770

Step-by-step explanation:

35 gallons per min

after 12 mins there is 350 gallons of water

35 x 12 = 420

how much water was in the tank BEFORE the valve was opened

350 + 420 = 770

Answer: n-1

Step-by-step explanation:

Answer:

I believe it's C. Wingspan is a continuous quantitative variable.

The wingspan is a continuous quantitative variable.

A continuous variable is defined as a variable that can take an uncountable set of values or an infinite set of values.

We have,

Wingspan values on the x-axis are given as:

-3 to 3.5

- 3.5 to 4

- 4 to 4.5

- 4.5 to 5 and so on.

These are continuous quantitative variables.

The frequency is given as:

0, 1, 2, 3, 4, 5, ... and so on.

These are discrete quantitative variables.

Thus wingspan is a continuous quantitative variable.

Learn more about continuous variables here:

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Answer:

-13/16

Step-by-step explanation:

slope = rise/run = (-5 - 8)/(8 - (-8)) = -13/16

Answer:

Slope is 1/3.

Y-intercept is 7.

Step-by-step explanation:

y = mx + b is the slope-intercept form.

m = slope

b = y-intercept

In the equation, y = 1/3x + 7

m = 1/3

b = 7

Therefore, slope is 1/3 and y-intercept is 7.

Hope this helped! <3

Answer:

Slope is 1/3 and the y- intercept is 7

Step-by-step explanation:

Since the equation is y = mx+b, we know that 1/3 is the slope since m represents the slope and b represent the y-intercept, meaning 7 is the answer.

Answer:

-144 or 2 5

Step-by-step explanation:

Answer:

144

Step-by-step explanation:

Answer:

50.27km

Step-by-step explanation:

divide the circumference by 3.14 ( pi ) to find the diameter of the circle. Half the diameter is the radius. Square the radius and multiply by pi to find the area of the circle.

Answer:

Step-by-step explanation:

STORE B BECAUSE LOW RATES IS BETTER THAN HIGH

Answer:

d

Step-by-step explanation:

363/8 is 45. the nearest to that is 44.

add every number and divide by how many there are

Answer:

13 lbs

Step-by-step explanation:

to find 1/10 we divide by 10

This can be found by moving the decimal back by one

So 130/10=13

13 lbs were lost

The person lost 13 lbs of weight.

Weight is the measure of how heavy an object is. Weight is measured in standard customary units. The mass of an object is the amount of material it contains.

Given that, the person weight=130 lbs and he lost 1/10 of his weight.

We need to find how much weight was lost.

Now, weight lost [tex]=\frac{1}{10} \times 130=13[/tex] lbs.

Hence, the person lost 13 lbs of weight.

To learn more about the weight visit:

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9514 1404 393

Answer:

Step-by-step explanation:

The perimeter is twice the sum of length and width. Then the sum of length and width is 90 yards. Their product is the area, so we have ...

  x(90 -x) = 2000 . . . . where x is length or width

  x^2 -90x +2000 = 0 . . . . rearrange to standard form

  (x -40)(x -50) = 0 . . . . . . . factor

  x = 40  or  x = 50

The dimensions of the rectangular plot are 40 yards by 50 yards.

Answer:

1.48 miles

Step-by-step explanation:

If the trail is 14.8 miles and Rita has hiked 1/10 of it. Then just multiply 14.8 by 1/10.

14.8 * 1/10 = 1.48 miles.

Answer:

1.48

Step-by-step explanation:

I know the answer is correct

Answer:

6

Step-by-step explanation:

One fourth is ÷4

24÷4=6

Answer:

6...? I don't know why you are doing first grade math again...

Step-by-step explanation:

Answer:

A=Pier^2

a=pie2.5^2

a=19.63

A=Pier^2

a=pie2^2

a=12.57

19.63 - 12.57

=7.07

B

Answer:

25%

Step-by-step explanation:

Given that,

The cost price of a cow, CP = $200

Gain = $50

We need to find the gain percentage of the cost price.

SP = CP + gain

= 50 + 200

= $250

[tex]\text{Gain}\%=\dfrac{\text{Gain}}{CP}\times 100\\\\=\dfrac{50}{200}\times 100\\\\=25\%[/tex]

So, the gain percent is 25%.

9514 1404 393

Answer:

  x = 90 degrees

Step-by-step explanation:

There are several ways to go about this (as is often the case with math problems). Here, we'll use the fact that an inscribed angle is half the measure of the arc it intercepts.

  arc DE = 2×∠DFE = 60°

  arc EF = 2×∠ECF = 60°

  arc CF = 2×∠CEF = 60°

Then arc DEC is ...

  arc DEC = arc DE +arc EF +arc FC = 60° +60° +60° = 180°

Angle DBC is half the measure of this arc, so is ...

  ∠DBC = 180°/2 = 90° = x

Answer:

30

Step-by-step explanation:

9/(3/10)=9*(10/3)=30

Answer: its A

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

the probability of selecting a piece of gum is less because there's less gum in the bag then there are lollipops

Answer: 37.5

Step-by-step explanation:

Use a proportion for this type of problems

Answer:

It would probably be 15 actually

Answer:

3

Step-by-step explanation:

Triangle inequalities.

a-b < c < a+b

13-11<x<13+11

2<x<24

X has to be greater than 2.

The next whole number greater than 2 is 3.

So the smallest whole number for the third side is 3.

the difference between 30 and -12 is 42

Step-by-step explanation:

1.

36

2×18

2×9

3×3 therefore prime factorization is 2²×3²

2.

42

2×21

3×7 therefore prime factorization is 2×3×7

3.

48

3×16

2×8

2×4

2×2 therefore prime factorization is 2⁴×3

4.

27

3×9

3×9 therefore prime factorization is 3³