Mathematics, 15.04.2020 21:17 61497
The head of a computer science department is interested in estimating the proportion of students entering the department who will choose the new computer engineering option. A preliminary sample indicates that the proportion will be around 0.228. What size sample should the department head take if she wants to be 95% confident that the estimate is within 0.02 of the true proportion?
Answers: 2
Mathematics, 21.06.2019 18:30
Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?
Answers: 2
Mathematics, 21.06.2019 21:00
Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.
Answers: 1
The head of a computer science department is interested in estimating the proportion of students ent...
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