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In the course of designing theater seats, the sitting heights (in mm) of a sample of adult women is obtained, and the results are listed below. Use the sample data to construct a 95% confidence interval estimate of (population standard deviation) the standard deviation of sitting heights of all women. Does the confidence interval contain the value of 35 mm, which is believed to be the standard deviation of sitting heights of women? 849 807 821 859 864 877 772 848 802 807 887 815
A baseball diamond is a square with sides of length 90 ft. A batter hits the ball and runs toward first base with a speed of 20 ft/s.
To start a business, Tom borrowed $20,000, part at 16% annual interest rate and part at 15%. If the total amount of interest on both loans is $3120, how much did he borrow at 16%?
Chandra has twice as much money as Nora. Nora has $6 less than Lian. Together they have $54. how much money does each have?
Simple Probability, Sample Spaces, Events, A couple has three children, assume the likelihood of a boy is the same as a girl:
q.nbspa hollow cone is cut by a plane parallel to the base and the upper portion is removed. if the volume of the
Set up different integrals to find the mass of the solid bounded by the equations z=8-2x, z=0, y=0, y=3 and x=0. the density of the solid at (x,y,z) is d(x,y,z)=kx, k>0. evaluate ONE of the integrals.
Write a compound inequality that expresses the range expect ot spend.
A sample of 100 provided a sample mean of 75.7. The population standard deviation is known to be 12. At 0.01 level of significance, what is your conclusion? Use either the p-value approach on the critical value of approach.
if an air flight arrives on time .60% of the time and 15 flights are observed, what is the means number of on time flights per 15 flights.
Develop a point estimate of the mean value of y when x1 = 180 and x2 = 310 (to 3 decimals).
Probabilities, A survey of MBA students obtained the following data on "student's first reason for application to the school in which they matriculated".
Evaluate the matrix of transformation
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