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Four separate awards (excellence in academics, excellence in teaching, excellence in departmental service, excellence in outreach) are given to professors in the Department of Mathematics. There are 50 professors. Find the quantity of possible arrange- ments if:
(i) no person can receive two awards;
(ii) any person can receive any number of awards;
(iii) as in (i), but Mr Smith will not get the teaching award.
A medical school claims that more than 28% of its students plan to go into general practice. It is found that among a random smaple of 130 of the school's students, 32% of them plan to go into general practice. Find the P-value for a test of the s..
A psychologist wants to determine if there is a linear relationship between the number of hours a person goes without sleep and the number of mistakes he/she makes on a simple test. The following data is recorded. Determine the regression line equ..
In a sample of 88 children selected randomly from one town, it is found that 8 of them suffer from asthma. Find the P value for a test of the claim that the proportion of all children in the town who suffer from asthma is equal to 11%.
Determine the critical path and project completion time.
The probability that a randomly selected elementary or secondary school teacher from a city is female is 0.68, holds a second job is 0.38, and is female and holds a second job is 0.29.
letx1 and x2 be quantitative and verbal scores on an examy1 and y2 be quantitative and verbal scores on another
Salary information for a random sample of male and female employees of a large company is shown below.
what is a typical flow rate? what is a representative flow
the percentage of squirrels that test positive for rabies is 6.a what is the probability that for the next 10 squirrels
What is the probability that a randomly selected eagle's wingspan is exactly 77 inches? Explain your answer. What is the probability that a randomly selected eagle's wingspan is 77 inches or less?
What is the relevance of Pearson's r? What does it tell you about the correlation between variables? What is one example of a null hypothesis and the research hypothesis that goes with it?
A random sample of 61 accounts were checked. The standard deviation was $286.20. At α= 0.01, test the firms' assumption. Assume the account balances are normally distributed.
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