As part of a class project, a university student surveyed the students in the cafeteria lunch line to look for a relationship be
tween eye color and hair color among students. The table below contains the results of the survey.
(photo provided)___________________________
Eye Color
Hair
Color Blue Gray Green Brown Marginal
Totals
Blond 42 5 21 10 78
Red 12 22 19 12 65
Brown 22 5 12 34 73
Black 9 3 11 64 87
Marginal
Totals 85 35 63 120 303
_______________________________________
From the sample population of students with gray eyes, what is the relative frequency of students with red hair?
A.
0.07
B.
0.12
C.
0.34
D.
0.63
(photo provided)___________________________
Eye Color
Hair
Color Blue Gray Green Brown Marginal
Totals
Blond 42 5 21 10 78
Red 12 22 19 12 65
Brown 22 5 12 34 73
Black 9 3 11 64 87
Marginal
Totals 85 35 63 120 303
_______________________________________
From the sample population of students with gray eyes, what is the relative frequency of students with red hair?
A.
0.07
B.
0.12
C.
0.34
D.
0.63
1 answer:
You might be interested in
We can write a proportion: 15 m is to 12 m as some other height 
is to 20 m
So we get
So the second tree is 25 m tall.
So we get
So the second tree is 25 m tall.
Answer:
Step-by-step explanation:
GIVEN: Daniel invests in a retirement account with a fixed annual interest rate of
compounded
times per year.
TO FIND: What will the account balance be after years
SOLUTION:
Amount invested by Daniel
Annual interest rate
Total amount generated by compound interest is
Here Principle amount
rate of interest
number of times compounding done in a year
total duration of time
putting values we get
=
Hence the total balance after will be