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Tree diagram for a probability experiment.
Identify the sample space of the probability experiment and determine the number of outcomes in the event. Draw a tree diagram if it is appropriate.
Experiment: Guessing the gender of the three children in a family.
Event: The family has two boys.
Use Bayes's rule to find the conditional probability that Julianne is a carrier, given that she and Jason have one child who does not have cystic fibrosis.
The weight of a product is normally distributed with a standard deviation of .5 ounces. What should the average weight be if the production manager wants no more than 5 percent of the products to weight more than 5.10 ounces.
No estimate of the population proportion is available. How large a sample is required?
Graph the least-squares line on your scatter diagram. Be sure to use the point (x, y) as one of the points on the line.
Briefly explain how the standard deviation influences outcome of hypothesis test. How does σ influence measures of effect size?
Would it be reasonable to conclude that the 5 percent of the employees are not able to pass the random drug test?
Using one mean t test to determine whether or not to support the claim - hypothesis test that WORKS THE SAME as the z-test
Use this information to determine the empirical probability that the next bird to visit the feeding station will be a dove.
Write the hypothesis statement. What distribution are you using?
Test the claim that the mean age of the prison population in one city is less than 26 years. Sample data are summarized as n = 25, x = 24.4 years, and s = 9.2 years. Use a significance level of α = 0.05.
Determine the probability of exactly one success given Poisson distribution with mean of 2.0.
The accompanying table summarizes randomly selected sample data for San Francisco Defendants in burglary cases.
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