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kupik [55]
4 years ago
11

A video game maker claims that number of glitches in code for their

Mathematics
1 answer:
svet-max [94.6K]4 years ago
5 0

Answer:

The major condition that needs to be satisfied before a t-test is performed that the question satisfies easily is the use of random sampling to obtain sample data.

Step-by-step explanation:

The major conditions necessary to conduct a t-test about a mean include;

- The sample extracted from the population must be extracted using random sampling. That is, the sample must be a random sample of the population.

- The sampling distribution must be normal or approximately normal. This is achievable when the population distribution is normal or approximately normal.

- Each observation in the sample data must have an independent outcome. That is, the outcome/result of each sub-data mustn't depend on one another.

Of the three conditions that need to be satisfied before the conduction of a t-test, the first condition about using a random sampling technique is evidently satisfied.

It is stated in the question that 'A private investigator hired by a competitor takes a random sample of 47 games and tries to determine if there are more than 7 glitches per game'.

Hope this Helps!!!

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3<br> Simplify the expression below:<br> 20 – 10y – 7y + 9
andre [41]

Answer:

y = 1.705882353

Step-by-step explanation:Combine like terms: 20 + 9 = 29

29 + -10y + -7y = 0

Combine like terms: -10y + -7y = -17y

29 + -17y = 0

Solving

29 + -17y = 0

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-29' to each side of the equation.

29 + -29 + -17y = 0 + -29

Combine like terms: 29 + -29 = 0

0 + -17y = 0 + -29

-17y = 0 + -29

Combine like terms: 0 + -29 = -29

-17y = -29

Divide each side by '-17'.

y = 1.705882353

Simplifying

y = 1.705882353

5 0
3 years ago
Read 2 more answers
HELP PLEASE!! #25-27
SVEN [57.7K]
25. The product of 8 and the difference between a number and 9 is 96. What is the number?
The answer is 13. 
So, 8*(x-9)=96
8*12=96
So, what number minus 9=12? 13.

26. When 12 is added to half the sum of a number and 8, the result is 40. What is the number?
The answer is 40.
12+ (x+8)=40
12 +28=40, so what plus 8 =28? 20. 
20 times 2 is 40.

27. The difference between a number and 5, when multiplied by 3, is 36. What is the number?
The answer <em />is 17.
(x-5)*3=36
12*3=36, so what minus 5=12? 17.
5 0
3 years ago
If VW≅VY, WX = s + 69, and XY = 4s, what is the value of s?
valina [46]
<h2>Answer:</h2>

The value of s is 23°

<h2>Step-by-step explanation:</h2><h3>Known :</h3>
  • VW = VY
  • WX = s + 69
  • XY = 4s

<h3>Asked :</h3>
  • s = ?

<h3>Solution :</h3>

Since VW line and VY line has the same length, so the WX line and XY line should also have the same length.

4s = s + 69

4s - s = 69

3s = 69

s = 23°

<h3>Conclusion :</h3>

The value of s is 23°

3 0
3 years ago
(5,-5) and y = 3/2x +3Whats the equation of the line in slope intercept form
statuscvo [17]

Step-by-step explanation:

let (5,-5) =(x1,y1)

from eqn y=3/2x+3

slope (m)=3/2

now,

eqn in slope intercept form is;

(y-y1)=m (x-x1)

  • (y-5)=3/2 (x+5)
  • 2 (y-5)=3 (x+5)
  • 2y-10=3x+15
  • 3x-2y+25=0 is required eqn
4 0
3 years ago
Find the area of the shape.
Sonbull [250]

Answer:

\pi or 3.14

Step-by-step explanation:

The formula for the area of a circle is \pi r^2

If this quarter circle were to be a full circle, the area would be 4\pi

Since this is a quarter circle as the angle is 90 degrees (which is a quarter of 360), the area of this shape is \pi.

8 0
3 years ago
Read 2 more answers
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