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1. Write a program for the user to input n, p, j and have the program print out the exact value of b(n, p, k) and the Poisson approximation to this value.
2. Assume that, during each second, a Dartmouth switchboard receives one call with probability .01 and no calls with probability .99. Use the Poisson approximation to estimate the probability that the operator will miss at most one call if she takes a 5-minute coffee break.
If the goal is to test whether less than 75% of the flights depart on time, what is the value of the critical test statistic at the 10% level of significance?
1. Develop the appropriate research questions and/or hypothesis for the main effects and interaction.
a small pilot study is run to compare a new drug for chronic pain to one that is currently available. participants are
Discuss how the statistical application of Pearson r is used for hypothesis testing.l Through application of the Spearman Correlation discuss what type of data the Pearson formula can be used for.
A researcher is asked to determine whether or not a productivity objective (in dollars) of better than $75,000 per employee is possible. A productivity test is done involving 20 employees. What conclusion would you reach? The sales results are as fol..
Suppose a study is constructed to test a claim, at a 0.05 signifigance level that a population proportion is 40%. A simple random sample of 750 subjects has a proportion of 42%.
Create the 95% confidence interval about mean value of y, number of days absent, given x = 95 degrees, and = 0.449x - 30.27
question 1. what is a lsquorandom sample?question 2. explain the terms simple random sampling systematic sampling
Prove that each of the following sets is countable: The set of all numbers with two distinct decimal expansions (like 0.500... and 0.4999...);
if the correlation coefficient r is equal to 0.726 find the coefficient of determination and the coefficient of
What is the probability of selecting a finance or accounting major and what is the probability of selecting a female or an accounting major? Which rule of addition did you apply
According to a recent survey, the probability that a passengerfiles a complaint with the Department of Transportation about aparticular U.S. airline is .000014. Suppose 100,000 passengers whoflew with this particular airline are randomly contacted..
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