Mathematics, 06.05.2020 21:57 edulak5726
1. A simple random sample of 500 students showed that the average weight of backpacks is 9 pounds
with a standard deviation of 3.5 pounds.
a. Find the margin of error for a 95% confidence interval.
b. Find the 95% confidence interval for the actual average weight of backpacks.
Answers: 2
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Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.
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Aline has a slope of . which ordered pairs could be points on a parallel line? check all that apply. (-8, 8) and (2, 2) (-5, -1) and (0, 2) (-3, 6) and (6, -9) (-2, 1) and (3,-2) (0, 2) and (5,5)
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Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit
Answers: 1
1. A simple random sample of 500 students showed that the average weight of backpacks is 9 pounds
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