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Question 1:
On his university application, Prashad must list his course choices in order of preference.
He must choose four of the six courses available in his major discipline and three of the four courses offered in related subjects.
In how many ways can Prashad list his course choices? Explain the reasoning for your answer.
Question 2:
During a recent survey of ethnic backgrounds of 1000 people in a large city, 513 were Canada, 148 were French 72 were African and 56 were Asian and the remainder were from other groups.Calculate the probability that a person, selected at random from the population has:
a Canadian background?an African background?an "other" background?
Question 3:
Use a tree diagram to explain why the probability that a family with four children has either all four children of the same gender is 1/8. Assume that the probability of having a girl is equal to the probability of having a boy.
What are the mean and the standard deviation of the number of firms that purchase a Unix machine from Sun Microsystems?
Probability values based on normal distribution - What can you say about the shape of the distribution of sample mean and find the standard error of the distribution of the sample mean?
then lengths of a certain component are normally distributed with a mean of 250 mm and a standard deviation of .6mm.
Determine the first two cumulants also the ratio between the standard deviation and average energy. Explain why distribution becomes extremely narrow.
in determining the range of an acoustic source by triangulation one must accurately measure the time at which the
For a constant matrix A and a Random vector z, E(Az)=AE(z), var (Az)=A var(z) AT under the Gauss-Markov conditions, determine the mean vector and the variance-co-variance matrix for the vector y-bar?( in terms of X, β, σ2)
what makes the standard normal distribution different from other
Which measure of central tendency would you use to summarize the data below? Which inferential test would you use to determine if there is a difference in rainfall between the sample 2 and 3?
Calculate Statistical Significant Difference of Voting
Create the 90% confidence interval for difference in average damage amount for two kinds of SUVs. Interpret this interval.
He asks you to develop a proposal for the study and submit it to him. Develop the management-research question hierarchy that will help you to develop a specific proposal.
1. a random sample of size 49 is drawn from a population with a standard deviation of 11. if only 18 of the time a
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