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A regional manager visits local fast-food franchises and evaluates the speed of the service. If the manager receives her meal within 45 seconds, the server is given a free movie-admission coupon. If it takes more than 45 seconds, the server receives nothing. Throughout the company's franchises, the probability is 0.60 that a meal will be served within 45 seconds. The manager plans to evaluate the speed of service at five local franchises of the restaurant. For the five servers, determine the probability that:
a. none will receive a movie coupon
b. two of the five will receive a coupon
c. three of the five will receive a coupon
d. all five will receive a coupon
Draw a transition diagram. Write the Transition Matrix. If it rains on Thursday, what is the probability that the restaurant will be closed on Saturday? And on Sunday?
In an analysis of variance problem involving 3 treatments and 10 observations per treatment, SSE = 399.6. The MSE for this situation is:
A simple random sample of 50 adults is obtained, and each person's red blood cell count (in cells per microliter) is measured. The sample mean is 5.23 and the sample standard deviation is 0.54. Use a 0.01 significance level to test the claim that ..
The machine will stop working if more than three components fail. Find the probability that the machine will be working.
The best estimator or appreciative of the population proportion is 0.45. How large must the sample be?
if you sample 100 people and 20 turn out to be over 65 inches tall, you get $20. Which is better: a sample of size 100 or a sample of size 1,000? Choose one and explain. Does the law of averages relate to the answer you give?
The width of a confidence interval will be:
An electric utility wishes to examine the relationship between temperature and electricity use in its service region during the summer months.
Compute the kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
Add line-of-best fit (trend line/linear regression line) to your scatterplot. Write down the equation of the trend line below.
Prepare a frequency distribution from data given below that describes how long it took a person to drive to work in work week.
The manager for Select-a-Seat, a company that sells tickets to athletic games, concerts, and other events, has determined that the number of people arriving at the Broadway location on a typical day is Poisson distributed with a mean of 12 per hou..
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