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1.27 The admissions office wants to estimate the cost of textbooks for students at our college. Let the variable x be the total cost of all textbooks purchased by a student this semester. The plan is to randomly identify 100 students and obtain their total textbook costs. The average cost for the 100 students will be used to estimate the average cost for all students.
a. Describe the parameter the admissions office wishes to estimate.
b. Describe the population.
c. Describe the variable involved.
d. Describe the sample
Write the equation of a line perpendicular to the line y=5 and through the point (3,5)
Write algeraic expression-pre-calculus.
a lottery has won $2000.00 prize two $1000.00 dollar prizes and ten $500.00 prizes find the expectation if a person buys 2 tickets?
Problem: In a chemical reaction, a compound X is formed two compounds Y and Z. The masses in grams of X, Y and Z present at time t seconds after the start of the reaction are x, 10 - x and 20 - x respectively.
Gravel is being dumped from a conveyor belt at a rate of 50 {rm ft}^3{rm /min}. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile i..
Imagine you are talking about your college math class over the family dinner table with your father, and he asks, "What are Venn diagrams?" Describe how you would explain them to him.
A train is traveling at 48 kmph . It crosses another train having half of its length , traveling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. What is the length of the platform?
use the degree of confidence and sample data to construct a confidence interval population proportion p.
the sunday newspaper cost 2.10 per issue delivered and the saturday and weekday newspaper cost 40 cents per issue
Explain how to compute the number of functions from a k-element set K onto an n-element set N by using multinomial coefficients.
At a particular University students must receive one of the following grades: A, B, C, D and F. What is the minimum number of students required in a course to ensure that at least 5 will receive the same grade?
Construct the objective function and the system of inequalities for the given situation. Remember to define the variables first. Do not solve the system.
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