Mathematics, 11.12.2019 02:31 shjsmbee8177
The principal at riverside high school would like to estimate the mean length of time each day that it takes all the buses to arrive and unload the students. how large a sample is needed if the principal would like to assert with 90% confidence that the sample mean is off by, at most, 7 minutes. assume that s=14 minutes based on previous studies.
a) 12
b) 13
c) 11
d) 10
e) 35
Answers: 2
Mathematics, 21.06.2019 18:00
Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?
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Mathematics, 21.06.2019 19:20
Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1
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Mathematics, 21.06.2019 20:10
21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)
Answers: 3
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