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Question: What is the probability that the store will have more than 12 customers in the first hour? What is the probability that the store will have fewer than 12 customers in the first two hours? Which type of distribution can the Poisson model be used to approximate? When would you do this?
In the game of roulette, a ball is dropped into a spinning wheel, finally landing on one of the wheel's 38 different slots. The wheel has 18 black slots, 18 red slots, 1 green zero, and 1 green double-zero. Suppose the wheel has landed on red 9 ti..
Using the appropriate statistical table, what is the most accurate statement we can make about the p-value for this test?
the average height of college basketball players is 6 feet 4inchs with a standard deviation of 4 inchs. you take a
find the probability that a data value picked at random from a normally distributed population will have a standard
suppose iq scores were obtained from randomly selected couples. for 20 such pairs of people the linear correlation
The population standard deviation is 100 hours. A random sample of 64 bulbs indicates the mean is 350 hours. At the .05 is there evidence that the mean life is different than 375 hours?
according to the centers for disease control and prevention about 11 of all americans 12 years of age and older use
when sample data actually occur in pairs an advantage of a paired t-test is that it tends to increase the power of a
suppose you pay 2.00 for a raffle ticket for local organization raising money. the single winner recieves a 75home
(a) What is the average cost per hour if Mary is hired? If Alice is hired? (b) Find C if the average cost per hour is the same for Mary and Alice.
What model might you suggest to model the number of purchases per minute? What is the probability that in any one minute at least one purchase is made? What is the probability that no one makes a purchase in the next 2 minutes?
What do you think will happen? Consider using the Simple Random Sample applet to select a sample of size 5 from a population of size 10.
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