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Question: 1. Random samples of 75 students are drawn from the senior year population of a large city public school system in studying absences per month. With x¯ = 3 and s = 0.7, construct a 95% confidence interval in estimating the population mean. Hint: The critical value is approximately 1.992.
2. Random samples of fish of size 200 are taken from fishing waters near a certain island, checking for irregularities in gill structure. With x¯ = 7 and s = 0.01, construct a 95% confidence interval in estimating the population mean. Hint: The critical value is approximately 1.971.
A salesperson's weekly paycheck is 15% more than her coworker's paycheck. The two paychecks total $1475. Find the amount of each paycheck. (Round your answer to the nearest cent).
Write down the augmented matrix for this system and show there is a unique solution if and only if ad - bc 0.
We consider a puzzle posed by Petkovi´c in [Pe09] (based on a problem in [AvCh80]). Suppose that King Arthur has gathered his 2n knights of the Round Table.
the dimensions of a rectangle are such that its length is 3 in more than its width. if the length were doubled and if the width were increased by 1 in, the area would be increased by 104 in what are the length and width of the rectangle?
The larger of two complementary angles is nine times the measure of the smaller angle. Complete parts(a) through(c).
Calculate aggregate expenditure in equilibrium where E=Y Calculate and interpret the individual and combined effects of changes to X0 and M0 such that X0 = 150 and M0 = 150 and all other variables remain unchanged. Also, calculate and interpret the v..
Find the points on the boundary where f attains its absolute max and min. What is the absolute max and min of f?
assume that all doors produced can be sold for a profit of $500 and all windows can be sold for a profit of $400. Formulate an LP model for this problem. sketch the feasible region. what is the optimal solution?
The theoretical probability of undesirable side effects resulting from taking Grebex is 1 in 12. If 600 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects?
A cylindrical package sent by the post office can have a maximum combined length and girth(the perimeter of a cross section) of 108 inches
Jerry has a total of 23 marbles. The marbles are either blue or green. He has three more blue marbles than green marbles. How many green marbles does he have?
A committee of four is to be randomly selected from a group of seven teachers and eight students. Find the probability that the committee will consist of four students.
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