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Two different sections of electricians took their state license test. The first section consisted of 75 applicants having an average score of 262 and a sample standard deviation of 35. They were journeyman, experienced electricians who were renewing their licenses. The second section consisted of 34 applicants with an average score of 233 and a sample standard deviation of 27. They were apprenticed electricians who were just beginning their careers.
The distributions of scores during previous years have shown that the licensing exam scores are normally distributed. Based on this information, which of the following best estimates the number of applicants that passed the test, if an applicant must score 200 or greater to pass?
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..
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
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.
Caselet on McDonald’s vs. Burger King - Waiting time
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Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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