Answer:
infinatly many solutions
Step-by-step explanation:
x can equal anything and still be correct.
The correct answer for the question is y=x
Answer:
Stratified Sampling
Step-by-step explanation:
Since Keri divides the day into different strata and each unit is selected from each strata randomly. So, it is Stratified Sampling.
Further, In Stratified Sampling population is divided into several groups such that within the group it is homogeneous and between the group it is heterogeneous. And now a selection of each stratum and unit has an equal chance of selection.
To be able to determine what fraction of a day is 45 minutes, let's first determine how many minutes are there in a day.
1 day
