Question

The table shows the number of boys and girls that have black blonde brown or red hair color.

Black* (boys) 4 (girls) 5
Blonde* (boys) 4 (girls) 6
Brown* (boys) 10 (girls) 8
Red* (boys) 2 (girls) 1

What is the probability that a student has black hair? (Round to nearest hundredth)
A) 0.23
B) 0.29
C) 0.46
D) 0.52

Answer 1

A) 0.23

Explanation:

There are 9 black-haired students, out of 40 students.

9

40

= 0.23

Answer 2

The answer would be A

Explanation:

if you add the students that have only black hair and all the students together and put it as a fraction of black hair over total students, you get 9/41. you divide that and you get 0.219 and rounding you get 0.22 and the closest answer is A.