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Consider flipping two fair coins. Let X = 1 if the first coin is heads, and X= 0 if the first coin is tails. Let Y =1 if the second coin is heads, and Y =5 if the second coin is tails. Let Z =XY. What is the probability function of Z?
construct a 95 confidence interval to estimate the population proportion with a sample proportion equal to 0.60 and a
Recent actual and forecasted data for product XYZ is given in the following table.
The number of students that enroll in a psychology course is a poisson random variable with mean 100.the course incharge has decided that if the enrolling is 120 or more he will teach the course in two separate sections.
We have found the density of the sum of two independent U(0,1) variables. Use that result to find the density of the sum of three independent U(0,1) variables.
Is there any evidence to suggest that the proportion of homeowners planning a landscaping project is more than 0.10 greater than the proportion of condominium.
assume we want to use a .05 significance level to test the claim that p1ltp2. it we want to test that claim by using a
In the class, there are 17 females (of whom 8 are freshmen) and 16 males (of whom 7 are freshmen). If one student is selected at random, what is the probability of selecting a freshmen or a female?
Determine the sample size for the estimate of µ for the following. E=2.6, s=13.10, confidence level=99%.
a consumer report stated that 65 of the vehichles sold nationally were suvs. a samples of 100 vehicles sold in the last
Criticize the following definitions in light of the eight rules for lexical definitions:- Animal: a living creature corporeal, distinct, on the one side, from pure spirit, on the other, from pure matter. (Johnson's Dictionary)
What is the chi square test and how is it used in research? What guidelines would you propose for constructing a table for a research report
This exercise will help you become more proficient at recognizing, translating, and evaluating if and and statements.
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