$396.66/24 students = $16.5275 which could be rounded to $16.53
Answer:
a. Probability = 0.15
b. Probability = 0.3
Step-by-step explanation:
Given




Solving (a): Probability of being somewhere else
This is calculated by subtracting the sum of given probabilities from 1.



Solving (b): Probability of being in bedroom or kitchen
This is calculated as:



-3,-2,-1,0,1 are all between -4 and 2 excluding those numbers.
It's easy you just need to multiply both numbers by 25