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Suppose that X is a normally distributed random variable with mean 10 and variance 25and we take a simple random sample of size 3 and defineW = 0.4X1 + 0.3X2 + 0.2X3.Find P(W > 12)
Suppose that we take a simple random sample of size n = 16 from a population with anormal distribution with mean µ and variance 10. Find the value c such thatPr(µ - c X µ ¯ + c) = 0.95
What might lead minority students to take more or fewer high school math courses? Would these same factors influence success in college?
suppose that we will randomly select a sample of 64 measurements from a population having a mean equal to 20 and a
What types of graphical presentation (histogram, dot plot, stem-and-leaf, bar chart, etc.) would you include? Explain your reasoning.
The article "Human Lateralization from Head to Foot: Sex-Related Factors" (Science, 1978: 1291-1292) reports for both a sample of right-handed men and a sample of right-handed women the number of individuals whose feet were the same size, had a bi..
a sample survey interviews an simple random sample of 267 college women. suppose as is roughly true that 70 of all
in a class with 18 boys and 12 girls boys have probability 13 of knowing the answer and girls have probability 12 of
Find the particular solution of the following differential equation: 12(d^2y/dt^2)-3y=0 given that when t=0, y=3 and dy/dt=0.5 and could you explain the reasons for choosing y=e^(rt)
Can we conclude that employee preferences for the health care plans have changed from last year? Use α = 0.05. What is the p-value?
Use α =.01 and test for a significant difference. What is your conclusion?
it has been reported that the 1-euro coin is more likely to yield heads i.e. the probability is greater than 0.5 when
after reviewing the assigned readings write a paper of 1000-1500 words that considers ethical issues in business
The data set odor .txt contains three responses gathered from a factorial design (described in Chapter 9). The purpose of the experiment was to study the effect of formulation changes for a lens coating on three primary responses:
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