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Q. The scores on a university examination are normally distributed with a mean of 62 and a standard deviation of 11. If the top 10% of students are given A's, what is the lowest mark that a student can have and still be awarded an A?
A. 63.28 B. 70.97 C. 76.08
Q. A sample was taken of the salaries of 20 employees from a large company. The following are the salaries (in thousands of dollars) for this year (the data are ordered).
28 31 34 35 37 41 42 42 42 47 49 51 52 52 60 61 67 72 75 77
Suppose each employee in the company receives a $3000 raise for next year (each employee's salary is increased by $3000). The interquartile range of the salaries will
A. be unchanged. B. increase by $3000. C. be multiplied by 3000.
Suppose we drew a histogram of these 18 death rates using class intervals 1 — 1.9, 2 — 2.9, 3 — 3.9, 4 — 4.9 and 5 — 5.9. Using the histogram, we would
Consider the following stemplot. The mean of the data represented in this stemplot ?
The student with the 92 found a grading error on her exam and her correct grade was 95. There were no other grading errors. After correcting this student's paper, the five number summary for the midterm exam will be
A sample of 160 workers in the downtown area classified each worker by race. A bar graph of the results is given below, but the bar for black workers in the graph below has been omitted.
Calculate the price and quantity associated with the perfectly competitive outcome.
If it wants to accomplish this change in the money supply using open-market operations, what should it do.
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Prepare a table with values from all four cases as well as compare the sensitivity of the model solution to changes in parameter values.
Why does Caterpillar as well as your parents have different opinions about the value of the dollar.
Assume that the central bank takes the drastic strategy in part 1, but that the private sector has rational expectations.
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
Take a confidence interval for the difference in the average of renting between the first andthird hotel.
Solve linear program graphically
What is the equation for this regression model?
Answer the following three questions based on what you know about statistics now.
Write introduction to STATISTICAL PROCESS CONTROL and Explain the use of SPC tools used at D2D
Distinct random variable
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
Suppose the probability of the worst-case scenario increases Compute the expected value of perfect information
Using the Census data, the OH Registry of Motor Vehicles reveal the subsequent about the Autos owned by the 10 families residing in Smallville.
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
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