Question

Hair Color Boys Girls
Black 4 5
Blonde 4 6
Brown 10 8
Red 2 1

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

What is the probability that a student has brown hair? (round to nearest hundredth)
A) 0.42
B) 0.45
C) 0.58
Eliminate
D) 0.82

Answer 1

Answer:

B) 0.45

Step-by-step explanation:

The total number of students is:

4 + 5 + 4 + 6 + 10 + 8 + 2 + 1 = 40

The number of students with brown hair is 10 + 8 = 18.

So the probability is:

P = 18/40 = 0.45

Answer 2

Answer:  B.) 0.45

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