It is said that 85% of the students liked reading mystery stories. This means the remaining 15% don't like to read these stories. If there are 30 students belonging to the second category, then the number of students who liked reading mystery stories is (30/0.15)*0.85 equal to 170 students out of 200 students.
-π/2 < arctan(x) < π/2
So cos(π/2) < cos(arctan(x)) < cos(0)
0 < cos(arctan(x)) < 1
Step-by-step explanation:
No. of possible selections= 5+4+3= 12
Probability of selecting drama= 3÷12
= 1÷4
PLEASE MARK BRAINLIEST.
Answer:
yeet
Step-by-step explanation:
