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A large number of people are waiting in line at Espresso Royale (as it often happens at around noon). The barista announces that he will start asking for each person's birthday, one by one, and the first person in the line whose birthday happens to coincide with one of the previous people will receive a free drink. Which position in the line has the highest chance of success?
Make the usual assumptions about independence of birthdays and 365 days in a year. If, e.g., you think that the third person in the line has the highest chance of success, enter 3 as your answer. (Hint: if n?2 is an integer, find a formula for the probability that the n-th person in the line will have the first duplicate birthday. Then write a simple program to find where the maximum is.)
Historically, demand has been for 50, 100, or 150 units each week, so the company makes one of those run sizes. In the past, the manager of the department has made 100 units per week for regular production. A: Prepare a payoff table showing profit..
the lengths in minutes of a random selection of popular childrens animated films are listed below. estimate the true
intelligence tests are designed to provide a normal distribution of iq scored whith a mean of 100 and a standard
Based on this confidence interval, can we be 95% confident that the mean yield using catalyst XA-100 exceeds 750 pounds per hour? Why?
The number of UFO (Unidentified Flying Object) sightings per week in Roswell, NM is a random variable with the cumulative distribution function given below.
If only one bolt is chosen, determine the probability that it will be found defective for only 1 reason (that is. it is either too large or has poor workmanship, but not both.)
let x1 x2 be a random sample of size 2 from a population x with exmu and vx 36. let t1 2x1 x23 and t2 3x1 - x23 be
Researchers are studying the absorption of two drugs into the bloodstream. Each drug is to be injected at three dosages. There are 24 people in the study, and they are randomly divided into six groups.
A much larger sample would be needed to estimate the proportion of the U.S. Army's 2.4 million active duty and reserve personnel who approved the repeal than would be needed to estimate the proportion of the Marine Corp's 200,000 personnel who fel..
"What is the five-step process for hypothesis testing? Is the order important? Why or why not?"
The amount in each can and find the average, the probability that the average of the six cans will be between 11.9 and 12.1 oz equals which standard normal probability?
Will the sum of squared deviation scores be greater for the test or the exam (assume the same number of people sat both the test and the exam)? Why?
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