02 DEBE
Out of a population of 700 students, 120 were asked by a random sampling to choose the green vegetable they would like to
have served in the cafeteria. Their responses are shown in the table below.
Cafeteria Choices
Green Vegetable Number of
Students
peas
34
green beans
27
broccoli
23
zucchini
18
brussels sprouts 18
Using proportional reasoning, about how many students out of the 700 would you expect to request broccoli to be served?
O 23 students
O 30 students
O 105 students
134 students
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Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?