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To find the sample size needed for a hypothesis test, if Ho: mu=10, Ha: mu<10, sigma is unknown, alpha = 0.01, beta = 0.05 and E = 0.80(sigma), find:
D (enter as 0.x)=
The sample size needed is:
the following data represent the percentage of people without health insurance for the 50 states and the district of
A player of a video game is confronted with a series of opponents and has an 80% probability of defeating each one. Success with any opponent is independent of previous encounters. The player continues to confront opponents until defeated.
Only 3 reported that their health was excellent. Find the probability that when 13 adults are randomly selected, 3 or fewer are in excellent health.
As a way of fund raising, you decide to set up a hot dog stand, after a few weeks of doing this you sell 8 hot dogs every 10 minutes.
use multiple regression to find the line of best fit through the following data. what does this tell
An aquarium tank can hold 7700 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can fill the tank in 77 minutes.
Assuming that the variability is unchanged (i.e., σ = 6), is there sufficient evidence to suggest that the strength of the product has increased at the 1% level of significance?
Find the probability that when 236 reservations are accepted for Flight 107, there are more passengers showing up than there are seats available.
Let A be the event that a student is enrolled in an accounting course, and let S be the event that a student is enrolled in a statistics course.
In the 1992 U.S. presidential election, Bill Clinton received 43% of the vote compared to 38% for George H. W. Bush and 19% for Ross Perot. Suppose we had taken a random sample of 100 voters in an exit poll and asked them for whom they had voted.
Suppose you found that in doing the hypothesis test, you were able to reject the null hypothesis. What is the most appropriate conclusion to draw?
questionabc company produces a line of internal winchester disks for pcs. the drives uses a 3.5 inch platter from an
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