The power of 25 on the variable z needs to be changed. It has to be divisible by 3.
Answer:
the correct answer is D
Step-by-step explanation:
Answer:
D)the time (in hours) a 4-year-old spends unsupervised per day
Step-by-step explanation:
Given that 4-year-olds in a certain country average 3 hours a day unsupervised and that most of the unsupervised children live in rural areas, considered safe
X - the time (in hours) a 4-year-old spends unsupervised per day
X is N(3,1.8)

hopefully this will help ( ;