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At the height of the great recession of 2002, an average of 120 people arrived each hour at the Cambridge location for the Massachusetts unemployment office. To complete the process of applying for unemployment compensation, the applicant must go through three stations. Each station has a single person working at it. The service times at each station are exponentially distributed. The mean times required to complete the process at each station are:
Station 1: 20 secondsStation 2: 15 secondsStation 3: 12 seconds
How many people, on average, will present in the office applying for uncmployment compensation?
The diameters of peaches in a certain orchard are normally distributed with a mean of 5.10 inches and a standard deviation of 0.40 inches.
Suppose that 20 minutes are selected independently and weighted. Let Y equal the number of these mints that weigh less than 30 grams.
Estimate the number of cards in the sample for which Clara correctly guesses the suit by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response.
What is the difference between McNemar's Test and the chi-square test for 2X2 tables? When do we use each test?What is a discordant pair and concordant pair? Also, which type of pair is used in the McNemar's test?
Based on these findings, can we reject the company's claim that the drug is equally effective for men and women? Use a 0.05 level of significance.
Construct a 95% confidence interval for the proportion of votes that Jefferson will receive, and make a conclusion about Jefferson winning election.
A new product has the following profit projections, associated probabilities, and indifference probability:
the manager of the all-night corporation recently conducted a survey of 196 of its employees to determine the average
The amounts of money requested on home loan applications at a particular bank follow the normal distribution, with a mean of $80,000 and a standard deviation of $24,000. A loan application is received during the day.
1. a fruit grower sprays 200 trees with a new spray and 200 other trees with a standard spray to protect against insect
a fish tank in a pet store has 23 fish in it. 8 are orange and 15 are white. determine the probability that if we
variables for which you would utilize a repeated measures ANOVA in analysis. Describe the variables and their scale of measurement. Identify whether each factor is fixed or repeating.
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