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The caffeine content (in mg) was examined for a random sample of 50 cups of black coffee dispensed by a new machine. The mean was 110 mg and σ = 7.1 mg. Use these data to construct a 98% confidence interval for µ, the mean caffeine content for cups dispensed by the machine.
The problem that I'm having is that there is a nonconstant factor of (x^2+y^2+z^2)^(-1/2) appearing on the RHS of this equation, making it non-trivial to solve.
Five right circular cones, with the same height h = 50 cm, are to be constructed. The volumes of these cones are to be 200, 400, 800, 1600 and 3200 cm3. Find the radius of the base of each cone.
1) Find the solution(s): 3/3x-1-2= 25/9x2+12x-5 2) Solve and graph the inequality: x-2/x+6≥3
A 12-ft ladder leans against the side of a house. The bottom of the ladder is 7ft from the side of the house. How high is the top of the ladder from the ground? If necessary, round your answer to the nearest tenth.
You always walk to work, and your regular route takes you past a shallow pond. One morning you put on your very best clothes (you paid $200 for them just last week) and are in rush for a very important business meeting with your boss. When you pas..
Write a quadratic equation in the variable x having the given number as solutions.Type the equation in standard form, ax^2 + b x + c =0 Solution: 6, only solution the equation is ? =0
A coin is tossed three times and the sequence of heads and tails is recorded. Use a tree diagram to determine the different possibilities.
Ashley has been given a list of 3 bands and asked to place a vote. Her vote must have the names of her favorite and second favorite bands from the list. How many different votes are possible?
Colombia has a population density of about 43 people/km2 and a population of about 48,929,706. What is the approximate area of Colombia? Round to the nearest whole number
Some students attend school 180 of the 365 days in a year. About what part of the year do they attend school?
How do the concepts of roles and norms figure into this case? Explain.
How do you think your gender affects your participation in CMC? Are there online spaces you've been too that definitely don't appeal to you?
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