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A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a SRS of n=1200 registered voters and found that 620 would vote for the Republican candidate. Let p represent the proportion of registered voters in the state who would vote for the Republican candidate.We test
H0:p=.50Ha:p>.50
(a) What is the z-statistic for this test?____.
(b) What is the P-value of the test?_____.
Sketch the distribution of sample means for sample of n = 25 scores from this population.
Survey was mailed to a total of 400 students; 100 were randomly selected from each of the freshman, sophomore, junior and senior classes last semester. What sampling method was used?
use the weights of cans of generic soda as sample one and use the weights of cans of the diet version of that soda as
For a sample of 36 students in a class the mean score in Mathematics is 72 with a standard deviation of 7. Find the 95% confidence interval for the mean score.
consider the following set of data. 18 12 25 51 60 30 80 16 108 55 123 9a calculate the covariance of the set of
find the sample size required to estimate the mean age of registered drivers in the united states. assume that we want
Many different kinds of data can be modeled using exponential and logarithmic functions. For example, exponential functions have been used by Thomas Malthus to describe the growth of human populations.
the best leadership theories to describe and explain effective leadership in teams with interactive members
In the North American court system, a defendant is assumed innocent until proven guilty. In an ideal world, we would expect that the truly innocent will always go free, whereas the truly guilty ones will always be convicted.
You are told that twenty-five percent of the player names in the hat are quarterbacks and that forty percent of the players in the hat have Porsches in their garage at home. What is the likelihood that you will get to go to lunch with a quarterbac..
The fixed monthly cost of operating the production facility is $3000. How many units of part # 2206 have to be sold in a month to break-even?
A local health center noted that in a sample of 400 patients 80 were referred to them by the local hospital. a) Provide a 95% confidence level for all the patients who are referred to the health center by the hospital.
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