Answer:
Step-by-step explanation:
a) The y-coordinates of points A and B are both -2, so there is no change in the y-value between those points. The x-coordinates differ by 4, so the slope is ...
... slope = (change in y)/(change in x) = 0/4 = 0
b) The y-value is constant at -2 for any value of x, so the equation of the line is ...
... y = -2
Answer:
The number of students who scored more than 90 points is 750.
Step-by-step explanation:
Quartiles are statistical measures that the divide the data into four groups.
The first quartile (Q₁) indicates that 25% of the observation are less than or equal to Q₁.
The second quartile (Q₂) indicates that 50% of the observation are less than or equal to Q₂.
The third quartile (Q₃) indicates that 75% of the observation are less than or equal to Q₃.
It is provided that the first quartile is at 90 points.
That is, P (X ≤ 90) = 0.25.
The probability that a student scores more than 90 points is:
P (X > 90) = 1 - P (X ≤ 90)
= 1 - 0.25
= 0.75
The number of students who scored more than 90 points is: 1000 × 0.75 = 750.
Answer:
The first one shows 25%
In the 1st modal, a whole is divided into 4 and 1 of the 4 is selected or highlighted
And as the whole rectangle is 100% and being divided into four its becomes 100/4% and when we solve we get 100/4=25
And thus its the first modal that shows 25%
In the second case its divide into 3 boxes so.. 100/3% and when we solve we get 33.3333333.......and this is not what we want
THEREFORE, THE CORRECT ANSWER IS 1ST MODAL
The answer would be -2 or 0
