Two-Way Frequency Tables: Mastery Test 1
Select the correct answer.
As part of a class project, a university student surveyed the students in the cafeteria lunch line to look for a relationship between eye color and
hair color among students. The table below contains the results of the survey.
Eye Color
Hair Color Blue Gray Green Brown Marginal Totals
Blond 42 5 21 10
78
Red
12 22 19 12
65
Brown
22 5 12 34
73
Black
9 3 11 64
87
Marginal Totals 85 35 63 120
303
From the sample population of students with blond hair, what is the approximate value of the relative frequency of students with green eyes?
ОА.
0.33
OB. 0.27
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I'm confused on this could anyone me and show me what i need to do to solve it.

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?

Time (minutes) amount of water (gallons) practice 1. jin fills up a 510-gallon pool in the backyard for her children. she fills it with the garden hose at a rate of 17 gallons per minute. after it is filled, she lets it sit for 30 minutes in order to let the water temperature rise. the children then get in and have fun for an hour. the pool loses about 5 gallon of water each minute due to their splashing and playing. at the end of the hour, they tear the pool while getting out, which causes a leak the pool then begins to lose water at a rate of 2 gallons per minute. a. complete the table to show the amount of water in the pool after each minute. b. create a graph to model the problem situation. include when the pool will be empty. c. write a piecewise function that models this problem situation. explain your reasoning for each piece of the function. d. identify the x- and y-intercept. explain what they mean in terms of the problem situation, atamantha a cul 80 100 120 150 200 ning, inc