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Two men on opposite sides of a TV tower of height 26 m notice the angle of elevation of the top of this tower to be 45 deg and 60 deg respectively. Find the distance in meters between the two men.
Differentiate the function f(x) =
Use the normal curve approximation to the binomial distribution.
A recent survey showed that 67% of dog owners take their pet for daily walks. The margin of sampling error was within 4.5 percentage points. Find the range of dog owners who take their dog for daily walks.
margin of error: 0.01; confidence level: 95%; from a prior study, p hat is estimated by the decimal equivalent of 69%. find the minimum sample size.
Peterson's vitamins, an advertiser in the magazine Healthy Living estimates that 1 Percent of the subscribers will buy vitamins from Petersons.
find the equation of the line which passes through the two given pointswrite down the equations of the line described
a rancher needs to enclose two adjacent corrals, one for cattle and one for sheep. If the river forms one side of the corrals and 420 yd of fencing is available, find the largest total area that can be enclosed.
The strategy that maximizes the campus bookstore earnings.
if a rectangle is redrawn so that its area remains constant but its perimeter increases, what happens to the shape of the rectangle?
Suppose that in Sleepy Valley only 35% of those over 50 years old own CD players. Find the probability that among three randomly chosen people in that age group, none owns a CD player
A student makes a $9.75 purchase at the bookstore with a $20 bill. The store has no bills and gives the change in quarters and fifty-cent pieces.
One of the 4 bus drivers is also randomly selected. Let Y denote the number of students on his bus. Compute the expectations of X and Y.
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