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drug manufacturer wants to estimate the percentage of patients who experience cotton mouth when taking their heart medication. A survey of 450 patients who took their drug found that 55 experienced cotton mouth.
(a) Find a 98% confidence interval for the true proportion of patients who experienced cotton mouth. Show your calculations and/or explain the process used to obtain the interval.
(b) Interpret this confidence interval and write a sentence that explains it.
Find lim (x->infinity) p1000(x). What can you say about |p1000(x) - sin(x)|for large values of x?
Prepare a research paper on two independent variables
Hypothesis testing for single mean.
Find (dy/dx) by implicit differentiation for the following equation:
Find the least squares approximation of e^x over the interval [0,1] by a polynomial of the form ao+a1x. Find the mean square error of the approximation.
Let's suppose that Congress caps executive pay at a level below the equilibrium. Explain how the quantity of executives demanded, the quantity supplied, and executive pay will change based on the above statement. Also explain why the outcome is in..
Estimate the area under the graph of f(x)=2sinx between x=0 and x=pi/2 using five approximating rectangles of equal withs and right endpoints as sample points.
Ted Williams and Rogers Hornsby were two great hitters. Together they got 5584 hits in their careers. Hornsby got 276 more hits than Williams. How many base hits did each get?
Drawing at least one black card when you draw a card from a standard deck 6 times, replacing the card each time you draw so that there are always 52 cards in the deck.
One hundred college students were surveyed after voting in an election involving a Democrat and a Republican. Sixty-six were first-year students, 67 voted Democratic, and 12 were non-first-year students who voted Republican. How many first-year st..
Find the nth term of the given sequences - Write out the nth term for the continuation of the sequences
Problems on probability
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