Answer:

Step-by-step explanation:
Given


Required
Determine the probability of hit in next at-bat
This question illustrates theoretical probability and the required probability is calculated using:

In this case, we have:



Answer:
25
Step-by-step explanation:

Hence 11% represents 25 students.
Answer:
What is the exact value of tan(−π4)? is 20
The total number of points would be equal to 5n.
You would simply multiply 5 by the amount of questions. In this case, we do not know the amount, so we can use the variable n.