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For the American Express example, give a 95% prediction interval for the amount charged by a member who traveled 5,000 miles. Compare the result with the one for x = 4,000 miles.
What size sample would be required to estimate the proportion of unemployed college students if we want the margin of error not to exceed 5 percent?
mr. brown owns two furniture stores. in store 1 the number of sofas sold per week by a salesperson is on average 13 per
Determine the mean and standard deviation of the data. What percentage of the data lies within one standard deviation of the mean value?
Find the conditional probability that a randomly chosen person from this population will contract both diseases, given that he or she has contracted at least one disease.
Describe what assumptions must be met to use this test. Finally, where in your course project data set might you employ a paired t-Test?
a nutritionist wants to determine how much time nationally people spend eating and drinking. suppose for a random
Use the data to estimate the probability distribution of the daily sales.- Calculate the mean of distribution obtained in part (a).
An airline estimates that 92% of people booked on their flights actually show up. If the airline books 76 people on a flight, find the propability that exactly 73 people will show up. for which the maximum number is 74, what is the probability tha..
Indicate at which point flat-of-curve medicine is experienced in the following example (imagine that antibiotics have been prescribed for a given population of 1,000 elderly persons).
What are the first three ammendments and how did they affect the united states culture?
a 23nbspfactorial is used by an a process engineer to study the effects of cutting speed a tool geometry b and cutting
The length of time patients must wait to see a doctor in a local clinic is uniformly distributed between 15 minutes and 2 1/2 hours. What is the probability of a patient waiting exactly 50 minutes?
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