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A) Suppose you conduct a significance test and decide to reject the null hypothesis, Ho at the alpha=.05 level. If you conduct the same test on the same data but instead use the alpha =.01 level, what decision would you make? Circle your answer.
Reject HoFail to reject Hocannot say without more information
B) Suppose you conduct a significance test and decide to Fail The reject the null hypothesis H0 at the alpha =.05 level. If you conduct the same test on the same data but instead use the alpha =.01 level, what decision would you make? Circle your answer.
Reject HoFail to reject H0cannot say without more information
C) Suppose that we tell you we flipped a quarter multiple times and it landed heads 75% of the time. Would you be reasonably convinced that it was not a fair coin ( where'' fair'' means that the coin has a .5 probability of landing ''heads'' ) if so, explain why. if not explain what additional information you would ask for and explain why it is necessary.
joe used a project management software package and has determined the following results for a given project. expected
A random sample of n=9 men between 30-39 years old is asked to do as many sit ups as they can in one minute. The mean number is x=26.2 and the standard deviation is s=6. Find a 95% confidence interval for the population mean.
The 99% confidence interval estimate for a population variance when a sample standard deviation of 12 is obtained from a sample of 10 items is:
suppose a simple random sample of size 40 is selected from a population with 12. find the value of the standard error
A new improved rocket launching system is being considered for short-range assault rockets. The requirement is that 80% of the rockets shall strike the target area at 800 meters. A sample of 36 experimental launches is made with 29 striking the ta..
collect cumulative data for all u.s. major carriers for the time period of january 2006 through december 2012. the data
Compute the suitable Test Statistic to test hypothesis that the proportion of condominiums that sold within 30 days decreased from 2006 to 2007.
a goldfish is swimming at 2.00 cms toward the front wall of a rectangular aquarium. what is the apparent speed of the
an iq test is designed so that the mean is 100 and the standard deviation is 22 for the population of normal adults.
A Gallup Poll (June 9 to 12, 2008) interviewed a random sample of 822 adults (18 years or older). The people in the sample were asked about their level of confidence in a variety of institutions in the United States. Here are the results for small..
Test whether race and NATFAE are independent (α = 0.05). What do you conclude?
The random variable x has a normal distribution with mean=30 and standard deviation=30, find the probability that x assumes a value more than two standard deviations from its mean. more than three standard deviations from the mean.
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