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What is the first big change that American drivers made due to higher gas prices? According to a survey, 30% said that it was cutting recreational driving. However, 27% said that it was consolidating or reducing errands. If these figures are true for all Americans drivers, and if 20 such drivers are randomly sampled and asked what is the first big change they made due to higher prices, what is the probability that none of them said it was cutting recreational driving?
A sample of eight male professionals has an average yearly salary of $52,165. Find the average yearly salary for the 11 people.
Assuming the weight of cereal is normally distributed, determine the likelihood that a package will contain more than 12.2 ounces. Calculate using megastat.
Let S = {c, h, j, q, t, y} be a sample space of an experiment and let E = {c, h}, F = {c, q, y}, and G = {h, j, t} be events of this experiment. (Enter your answers using roster notation. Enter Ø for the empty set.)
We suspect that automobile insurance premiums (in dollars) may be steadily decreasing with the driver's driving experience (in years), so we choose a random sample of drivers who have similar automobile insurance coverage and collect data about th..
question a randomized controlled trial is run to evaluate the effectiveness of a new drug for asthma in children. a
Use a 1% level of significance to test the claim that there are more calls during the night than in the day.
The average service time at CheesePlate Restaurant is 3.5 minutes with a standard deviation of .04 minutes. A new order system claims it can improve service time
Suppose that a quarter is randomly selected, what is the probability that this quarter has high productivity growth and has a large pay increase?
post your response to the following questions and participate in the discussion with your fellow students during the
In this problem I am having an issue trying to determine what equation to use to solve. Is this a one or two way ANOVA or should I just use a z-test to solve?
What is the probability of a fatal accident over a lifetime? Explain your reasoning carefully. Hint: Assume independent events. Why might the assumption of independence be violated?
Identifies four criteria and their corresponding percentage weights. Option A has ranks as shown in the table below: Calculate the importance score sum for option A?
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