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According to a recent publication, the total fertility rate (estimated mean number of children born per woman) for Madagascar is 5.2. Suppose that the standard deviation of the total fertility rate is 3.9. The mean number of children for a sample of 217 randomly selected women is one value of many that form the SDSM.
(a) What is the mean value for this sampling distribution? (Round your answer to one decimal place.) (b) What is the standard deviation of this sampling distribution? (Round your answer to two decimal places.) (c) Describe the shape of this sampling distribution.
A class has 10 business majors and 15 econ majors. If Five students are chosen at random, what is the probability that three are business major and two are econ majors?
What is the decimal notation for the fraction 1/4? How can you show that 1/4 = 25/100? How can you write 5/16 as a decimal? How would you write 1/9 as a decimal?
Find the score that marks the top 5 percent
The opening of the cannon pictured at the left is 16 feet above the ground. The daredevil, who is shot out of the cannon, reaches a maximum height of 55 feet after about 1.56 seconds and hits a net that is 9.5 feet off the ground after 3.25 second..
A cyclic group is a special kind of group that has many similarities with modular arithmetic.
A Norman window is constructed by adjoining a semicircle to the top of a rectangular window. Find the dimensions of the Norman window of maximum area if the total perimeter is 16 feet.
Write as a system of 2 equations in 2 unknowns. Solve each system by substitution and show each step. Perimeter of a rectangle : the length of a rectangular swimming pool is 15 feet longer than the width.
Use matrices to solve the system of equations (if possible). Use Gaussian elimination with back substitution or Gauss-Jordan elimination. Explain steps and show work.
Create a bar graph using two different colors to represent the male and female categories. Use age to categorize and graph the average height.
Draw a Venn Diagram to represent the relationship among E,L,S. Place the following five numbers on the Venn Diagram. 3 exponent 11, 6 exponent 2,11 exponent 6 10,000, 22 exponent
A person walks 18m East and then 32m in a direction of 65 degrees N of E. What is the resultant displacement?
Given f(x,y,z)=x^2y^3z^6, in what direction is F(x,y,z) increasing most rapidly at the point P(1,-1,1). What is the rate of increase?
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