Answer:
15 students
Step-by-step explanation:
The fraction of students who will repeat the exam is:

=
simplified is:

Extract this fraction of 45:

Hope this helps
Answer:
A, B and C
Step-by-step explanation:
example of B
-3×2/3 =-2
-2+2 =0
Y=1 and >0
A and C are also right
Edit: I changed my originally wrong answer, the second poster was right
Answer:
y = 1/2x
Step-by-step explanation:
The slope is the rise (up) over run (left or right depending on if the number is negative) between points. So the next point on the graph is up 5 and over 10. this simplified is 1/2. Then you put this into y=mx which is y=1/2x
Answer:
Option B) 0.2143
Step-by-step explanation:
We are given the following in the question:
Numbers of exposures(x): 4,3,7
We have to find the maximum likelihood estimate of p.
Formula:

Putting the values, we get,

Thus, the correct answer is
Option B) 0.2143