Of the last 60 people who went to the cash register at a department store, 13 had blond hair, 18 had black hair, 22 had brown hair, and 7 had red hair. Determine the empirical probability that the next person to come to the cash register has black hair,
P(black)=

3/10

1/3 + 1/5 = 8/15.

step-by-step explanation:

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none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0