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Suppose we are conducting a test with alpha =0.10 and we observe a p-value equal to 0.09. What is your test decision?
a. Reject H0
B. Fail to reject H0
c. The test result is inconclusive
d. accept H0
In a nationwide survey of n = 1,030 adults, 6% answered yes to the question "During the last year did anyone break into or somehow illegally get into your home or apartment?"
Then, label the one that is the claim being made. An employment agency claims that the mean starting salary for actuary assistants is at least $55,000.
the average age of vehicles registered in the united states is 96 months. assume the population is normally
Suppose you study a random sample of 100 GRE verbal exams. Consider your a sketch of the sampling distribution of sample means and the appropriate calculation model.
suppose that a particular candidate for public office is in fact favored by 48 of all registered voters in the
suppose that the average life of a refrigerator before replacement is m 14 years with a 99.7 of data range from 8 to
A comparison between products manufactured in China VS Mexico and their perceived quality to the US consumer based on manufacturing location.
a) Define your random variables, and use them to express the farmer's net income. b) Find the mean of the net income. c) Find the standard deviation of the net income. d) Do you need to make any assumptions in calculating the mean? How ab..
5 cups of coffee per day with a standard deviation of 1.5. The distribution is normal. What proportion of faculty consume an amount between 4 and 6 cups?
Draw a simulation experiment for car agency and simulate using fleet of four rental cars for 10 days.
X1,..., Xn are independent uniform random variables, all with expected value µX = 7 and variance Var[X] = 3. (a) What is the PDF of X1?
Find the probability that a random selection of 9 songs will have mean length of 186.30 seconds or less. Assume distribution of the lengths of the songs is normal.
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