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A sample of 151 is drawn from a population with a mean of 1000 oz and a known standard deviation of 348 oz.
Construct an 85% confidence interval around the sample mean.
A student carrried an experiment to prepare hydrogen in the labrotary, if the student collected 145.5ml of gas at a pressure of 750 mmHg and a temp of 25 degree celcius.
At a local Wendy's, a survey showed that out of 5,500 customers eating lunch, 575 ordered Diet Pepsi with their meal. What percent of customers ordered Diet Pepsi? (Round your answer to the nearest whole percent.
Suppose you have triangle ABC and triangle DEF, and they are similar, with a scale factor of 0.5. If the angle measures of ABC are 80°, 80°, 20°, what are the measures of the angles in DEF?
Determine the theoretical yield in grams and the percent yield, if 21.8 g of K2CO3 is produced form reacting 27.8g K2O with 8.0 L of CO2 at STP.
A rectangular box with a square base is 13 centimeters taller than it is wide. If the surface area of the box is 1488 square centimeters, find the volume of the box in cubic centimeters.
A palindrome is a string that is spelled the same way forward and backward. some examples of palindromes are: "radar," "able was i ere i saw elba," and, if you ignore blanks, "a man a plan a canal panama
Calculate each project's payback period and calculate the net present value (NPV) for each project and calculate the internal rate of return for each project using an NPV profile
A person deposits $1500 in a savings account that pays 3% annual interest compounded yearly. At the end of th 12 years what will be the balance in the savings account?
What final temp. would be required to increase the pressure to 1 atm, the volume being held constant?
think about the requirement to solve this problem using only 17th and 18th century tools and methodologies. list and discuss some of the constraints that imposes.
Let ubar and vbar be nonzero vectors in 2 or 3 space and let k=||u|| and m=||v||. Show that the vector Wbar=mubar +kvbar bisects the angle between ubar and vbar.
Does anyone have the quizzes for APU Math 125/Math in Our World, Second Edition.
If a = i + 7j + k and b = i + 13j + k , find a unit vector with positive first coordinate orthogonal to both a and b in terms of i, j, and k.
about 19% of the population is hopelessly romantic, if two people are randomly selected what is the probablilty that both are hopelessly romantic.
Also how would you find the mean for this frequency distribution?
The extract of a plant native to Taiwan has been tested as a possible treatment for Leukemia. One of the chemical compounds produced from the plant was analyzed for a particular collagen. The collagen amount was found to be normally distributed wi..
How can you compute the union and intersectio of two sets, using some of the methods that the set interfce provides? hint: your code should not be bigger than four lines
Suppose that f is continuous on [a,b]. Prove that f is integrable, i.e., ( the integral symbol with b at top and a at the bottom) f exists.
a rectangle is 357 miles long and 274 miles wide. round each dimension to the nearest ten. using the rounded numbers, what is the approximate area.
Of 100 Clock radios with digital turners and /or CD players sold recently in a department store, 70 had digital turners and 90 had CD players. How many radios had both digital turners and CD players?
Laura purchased a prepaid phone card for$20 . Long distance calls cost 7 cents a minute using this card. Laura used her card only once to make a long distance call. If the remaining credit on her card is$16.57 , how many minutes did her call last?
Let φ be a c-admissible s - t ?ow of value k and suppose there is a c-admissible ?ow with value > k. Does it follow that there is a c- admissible ?ow ψ of value > k so that φ(e) ≤ ψ(e) for every edge e?
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