Mathematics, 18.01.2021 21:50 syd6702
Traffic engineers studied the traffic patterns of two busy intersections on opposite sides of town at peak rush hour. At the first intersection, the average number of cars waiting to turn left was 17 with a standard deviation of 4 cars. At the second intersection, there was an average of 25 cars waiting to turn left with a standard deviation of 7 cars. The report combined the mean number of cars waiting to turn left at both intersections. Assuming the data are independent, the standard deviation of the sum is:
Answers: 3
Mathematics, 21.06.2019 14:00
Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?
Answers: 1
Mathematics, 21.06.2019 22:00
(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?
Answers: 3
Traffic engineers studied the traffic patterns of two busy intersections on opposite sides of town a...
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