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 is a boy with red hair? (round to nearest hundredth) hair color boys girls black 4 5 blonde 4 6 brown 10 8 red 2 1

0.05

Step-by-step explanation:

Given :

Hair ColorBoysGirls

Black          4                 5

Blonde          4                  6

Brown          10                 8

Red                  2                   1

Solution :

Since ware required to find the probability that a student is a boy with red hair.

Total no. of boys with red hair = 2

Total no. of students = 4+4+10+2+5+6+8+1=40

Thus the probability  that a student is a boy with red hair =

⇒

⇒

⇒

Hence the probability that a student is a boy with red hair is 0.05

answer: the common difference is -0.10

x=6 and x=3

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