The probability that a high school student in in the marching band is 0.47. the probability that a student plays a varsity sport is 0.32. the probability that a student is in the marching band and plays a varsity sport is 0.24. what is the probability that a student plays a varsity sport if we know she is in the marching band? question 9 options: .51 .75 .32 .24

The probability that a high school student in in the marching band is 0.47

so,

The probability that a student plays a varsity sport is 0.32

so,

the probability that a student is in the marching band and plays a varsity sport is 0.24

so, we get

P(M∩V)=0.24

a student plays a varsity sport if we know she is in the marching band

so,

P(V|M)=(P(V∩M))/(P(M))

now, we can plug values

and we get

So,

the probability that a student plays a varsity sport if we know she is in the marching band is 0.51063......Answer

i can't see the picture : /

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2