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A fair coin is repetitively tossed 2N times, (N is very large). What is the probability for the number of heads to be in the interval [N-(N/2)^.5 , N+(N/2)^.5]?
The third will be made an offer only if the committee should reject both the first and the second. How many possible ordered choices of three out of six candidates are there?
A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean length of fish in the tank is 15 inches, and the standard deviation is 2 inches. A random sample of 36 fish is taken from the tank.
Four research participants take a test of mannual dexterity (high scores mean better dexterity) and anxiety test (high scores mean more anxiety). Scores are as follows:
Perform a 2-sample t-test to see if the population male and female average salaries could be equal to each other - Since the one and two sample t-test results provided different outcomes, which is the proper/correct apporach to comparing ..
If random sample of 9 loads is selected for weight check, determine probability that mean weight of those loads is more than 40.60 tons.
Use the above information to calculate the number of watches (units) and the sales dollars we need in order for our flea market business to break even for the day.
When performing a 2-way ANOVA with replication you must first: A) Perform an interaction hypothesis test B) Take out the error because you ran replicates and error makes no sense with replicates
For a Shewhart control chart using 3-sigma limits,
In testing the independence of two variables described in a contingency table, determine the critical value of chi-square if the test is to be conducted at the
Easy-Fly Airline took a random sample of 25 flights to determine if the mean time it takes for luggage to reach the travelers departing from a flight is less than 15 minutes. The sample mean was found to be 13.8 minutes with a standard deviation o..
Consider a liter of 5 puppies (3 brown/2 black). Draw a probability tree indicating the probabilities for selecting 3 puppies without replacement? What is the probability that I will select 3 brown puppies? 1 brown and 2 black puppies? At least 1 ..
Analyze these data and summarize your findings for managers. Explain how information can be used by decision makers. Assume that sales per customer are normally distributed.
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