1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lera25 [3.4K]
2 years ago
6

What is the significance of the value 0.31 in the context of the data? A It represents the probability that a student in Mr. Lop

ez's classes does not have chores. B It represents the probability that a student in Mr. Lopez's classes does not receive an allowance. C It represents the probability that a student in Mr. Lopez's classes either does not have chores or does not receive an allowance. D It represents the probability that a student in Mr. Lopez's classes does not have chores and does not receive an allowance.
Mathematics
1 answer:
Dvinal [7]2 years ago
6 0

Step-by-step explanation:

The significance level, also denoted as alpha or α, is the probability of rejecting the null hypothesis when it is true. For example, a significance level of 0.05 indicates a 5% risk of concluding that a difference exists when there is no actual difference

You might be interested in
Find the solution of this system of equations 10x-7y=-1 and -2x-7y=-25
Sergio039 [100]

Answer:

<h2>x = 2, y = 3 → (2, 3)</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}10x-7y=-1\\-2x-7y=-25&\text{change the signs}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}10x-7y=-1\\2x+7y=25\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad12x=24\qquad\text{divide both sides by 12}\\.\qquad x=2\\\\\text{Put it to the second equation}\\2(2)+7y=25\\4+7y=25\qquad\text{subtract 4 from both sides}\\7y=21\qquad\text{divide both sides by 7}\\y=3

8 0
3 years ago
A closed cylindrical tank had a diameter and height 7m what is the capacity of the tank
bezimeni [28]

Area of a cylinder is pi*r^2*h

The radius is half the diameter.

So the radius is 3.5

3.14*3.5^2*7=269.255 cubic meters.

3 0
3 years ago
Hey can you please help me posted picture of question
Shkiper50 [21]
D) 19 would be the answer.
4 0
3 years ago
Read 2 more answers
There are 10 girls and 8 boys in Mr Augello's class
poizon [28]
Whats the rest of the question
7 0
3 years ago
Read 2 more answers
What are the types to change 2 and 1/3 to an improper fraction
KonstantinChe [14]
It would be 7/3 as you times the whole number by the denominator. Then add the numerator to get the numerator of your answer, finally add the original denominator to your answer to equal 7/3 .
3 0
3 years ago
Other questions:
  • What is 4018 divide by 82
    6·2 answers
  • What is the measure of angle x?
    7·1 answer
  • Ariel has already spent 79 minutes on the phone and she expects to spend 4 more minutes with every phone call she routed. In all
    7·1 answer
  • “One third of a number is 12 less than the <br> number itself”
    15·1 answer
  • What is the solution to the following system of equations? y = −x^2 − 5x − 4 y = −x^2 + 9x − 18
    5·1 answer
  • Combine like terms to create an equivalent expression.
    11·2 answers
  • How to writing system of linear equations. There are 160 lions and antelopes. The number of antelopes is forty less than triple
    13·1 answer
  • Terrance needs to score 25 points to win a game. He has already scored 18 points. The equation 18 + p = 25 gives the number of p
    8·2 answers
  • Find intervals of which
    6·1 answer
  • Which of the following points has coordinates that are 5 horizontal units from point A
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!