While tim was sitting on a bench in the mall,24 men with beards and 40 men without beards walked by considering this data how many of the next 72 men that walked by should tim expect to have a beard this is predictions by the way

72×24÷(24+40) = 27.

BUT THAT IS WRONG*** The actual correct answer is any number between zero and 72.

Step-by-step explanation:

P(has beard) = #(with beard) / (#(with beard) + #(without beard))

Expected beards in N trials = N × P(has beard)

WHY THAT'S WRONG:

You do not get a random sample by choosing the first 64 men walking by. Write that on the board 100 times!!

37/3

step-by-step explanation:

step 1: simplify both sides of the equation.

7x+8(x+

1

4

)=3(6x−9)−8

7x+(8)(x)+(8)(

1

4

)=(3)(6x)+(3)(−9)+−8(distribute)

7x+8x+2=18x+−27+−8

(7x+8x)+(2)=(18x)+(−27+−8)(combine like terms)

15x+2=18x+−35

15x+2=18x−35

tep 2: subtract 18x from both sides.

15x+2−18x=18x−35−18x

−3x+2=−35

step 3: subtract 2 from both sides.

−3x+2−2=−35−2

−3x=−37

step 4: divide both sides by -3.

−3x

−3

=

−37

−3

x=

37

3