Mathematics, 28.01.2020 15:58 ijustneedhelp29
Kurt and maria’s high school is having a newspaper drive. the goal is to collect 3,585 pounds of newspapers. so far, 21% of the goal has been reached.
kurt estimated the number of pounds of newspapers collected by finding 10% of 3,600 and then multiplying the result by 2.
maria estimated the number of pounds of newspapers collected by finding 1/5 of 3,600.
who is right, and why?
a. neither kurt nor maria is right, because 3,500 should be used instead of 3,600.
b. kurt is right, because finding 1/5 of 3,600 is not a good way to approximate 21% of 3,585.
c. maria is right, because finding 10% of 3,600 and multiplying the result by 2 is not a good way to approximate 21% of 3,585.
d. both kurt and maria are right, because 3,585 should be rounded up to 3,600, and 21% of this amount can be approximated by either finding 10% of 3,600 and multiplying the result by 2 or by finding 1/5 of 3,600.
Answers: 3
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For a school newspaper article, cienna conducted a survey to find out students’ favorite subjects. she polled all the students in mrs. lopez’s advanced dance class. why is her data likely to be skewed? honors dance students are more likely to enjoy dance than students in the general population, so dance may be overrepresented. cienna should have interviewed all the students in the school to get more accurate data. honors dance students are more likely to enjoy dance than students in the general population, so dance will be underrepresented. cienna should have interviewed only every other student in the class to avoid having too many people.
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Kurt and maria’s high school is having a newspaper drive. the goal is to collect 3,585 pounds of new...
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