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Delta Air Lines quotes a flight time of 2 hours 5 minutes for its flight from Cincinnati to Tampa. Suppose we believe that actual flight times are uniformly distributed between 2 hours and 2 hours 20 minutes.
a. Show the graph of the probability density function for flight times.b. What is the probability that the flight will be no more than 5 minutes late?c. What is the probability that the flight will be more than 10 minutes late?d. What is the expected flight time?
During the past six months, 73.2% of US households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10. 80% of the households spent more than what amount?
What type of situation would I be able to understand how to use regression as a key driver as an influence in sales or other outcomes?
Someone gives you 10 to 1 odds that you cannot roll a double number with the roll of a pair of dice. You win $10 if you succeed and you lose $1 if you fail. What is the expected value of the game for you? What can be expected if you play 100 times..
Scores on an endurance test for cardiac patients are normally distributed with mean = 182 and standard deviation = 24.
If there are 500 students in the school, what is the probability that everyone will pass the exam
The trail was repeated 54 times with 22 correct identifications and 32 wrong identification.
In what height interval must the company expect to determine middle 70% of kindergarteners?
A sample of 45 overweight men participated in an exercise program. At the conclusion of the program 32 had lost weight. At the .05 significance level, can we conclude the program is effective?
A major study examined the relationship between cause of death (heart attack, cancer, stroke, accident, etc.) and age. A good way to graphically represent the relationship is with
Determine the optimum mix of products in terms of maximizing contributions to profits for the next period. Show all work.
An extended-life light bulb claims the bulb has an average life of 12,000 hours, with a standard deviation of 500 hours. If the distribution is bell shaped and symmetrical
From time to time, one branch office of a company must make shipments to a certain branch office in another state. There are three package delivery services between the two cities where the branch offices are located.
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