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Here is a sample of ACT scores (average of the Math, English, Social Science, and Natural Science scores) for students taking college freshman calculus:
24.00
28.00
27.75
27.00
24.25
23.50
26.25
25.00
30.00
23.25
21.50
26.00
24.50
22.50
28.25
21.25
19.75
a. Using an appropriate graph, see if it is plausible that the observations were selected from a normal distribution.
b. Calculate a two-sided 95% confidence interval for the population mean.
c. The university ACT average for entering fresh- men that year was about 21. Are the calculus students better than average, as measured by the ACT?
the resident population of south california (in thousands) was 3860 in 1997 and 4107 in 2002 .let t equal 7 represent 1997. write linear model for the population as afunction of time t.
a supply and a demand function are, respectively, p=100+4q and p=180-5q here q= the number of items and p= $ per item. find the equilibrium demand and the equilibrium price.
A coin tossed 40 time. A person, who claims to have extrasensory perception, is asked to predict the outcome of each flip in advance. She predicts correctly on 26 tosses. What is the probability of being correct 28 or more times by guessing?
Write your mock Concept Paper using the Concept Paper template found in the Dissertation Center. Follow the template guidelines for each section. 1. Write an Introduction describing your topic. 2. Write the Statement of the Problem section.
Construct a linear differential equation of order 2, for which {y1(x) = sinx; y2(x) = x sinx} is a set of fundamental solutions.
First give the integrand expressed in terms of h, the terms of the height in feet from the bottom of the trough.
What about n vectors in Rm when n is less than m?
if you make it 9 cm deep and give the sphere a radius of 16 cm. To be sure, you picture the wok as a solid of revolution, and calculate its volume with an integral. To the nearest cubic centimeter, what volume do you really get?
practice question 1in the table below there are 25 different fuses that will are supposed to trip at 30 seconds when
(a) Find an expression for the number of bacteria after t hours. (b) Find the number of bacteria after 3 hours. (c) Find the rate of growth after 3 hours. (d) When will the population reach 10,000?
Two angles are complementary. the sum of the measure of the first angle and one-forth the second angle is 57 degrees.
closed box with a square base has to have a volume of 3000 cubic inches. Find a function for the surface area of the box.
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