Mathematics, 17.02.2022 23:40 natu2072
PLS HURRY PLSSS
Lawrence performs a survey to determine the average number of minutes of exercise seventh-grade athletes get in one week. He gets a list of sports and the seventh-grade students participating in each sport. He then chooses 10 people from each list to complete the survey. How can Lawrence’s sample be improved to be more representative of the population?
He can choose his sample from all seventh-grade students.
He can choose his sample from a list of students by class rather than by sport.
He can choose his sample from every third person on each list rather than 10 people.
He can choose his sample from a list of all athletes participating in each sport.
Answers: 1
Mathematics, 21.06.2019 20:30
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
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Mathematics, 21.06.2019 21:30
Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *
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Mathematics, 21.06.2019 23:00
Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi
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PLS HURRY PLSSS
Lawrence performs a survey to determine the average number of minutes of exercise...
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