Mathematics, 17.06.2021 19:30 templetiggerxyz
A professor at a university wants to estimate the average number of hours of sleep students get during exam week. On the first day of exams, she asked 20 students how many hours they had slept the night before. The average of the sample was 5.88 with a standard deviation of 1.942. When estimating the average amount of sleep with a 95% confidence interval, what is the margin of error?a) 0.3463b) 0.4893c) 0.6344d) 0.6336e) 0.3725
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Mathematics, 21.06.2019 17:00
Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k
Answers: 1
Mathematics, 21.06.2019 18:40
That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply
Answers: 3
Mathematics, 21.06.2019 20:00
Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?
Answers: 2
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