Answer:
For the student who is studying 10 hours a week is in the 57.93th percentile.
Step-by-step explanation:
Corresponding z-score for the student who studies 10 hours a week can be calculated by the formula
z=
where
- x is the hours student work in a week, which is 10,
- M is the mean studying hour of the class, which is 9.92,
- s is the standart deviation which is 4.54
from here we find that z=
≈0.2
Corresponding percentile for z=0.2 is 57.93
Mode (most occurring) - 4
mean (average) - 8
median (middle number from least to greatest) - 4
The mean is 12
explanation: you add all of the numbers and then divide it by the amount of number u have
1. The correct answer among the choices provided is the first option. It is a geometric sequence and the common ratio is 2.
2. Fifth term in the geometric sequence is 405. The pattern in this sequence is to triple the last term to get the next answer.
(-1/4,5/8)
Hope this helps :)