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An investigation discovered that in a random sample of 3,544 firms, 1240 announced one or more acquisitions during the year 2016. Does the sample provide sufficient evident to indicate that the true percentage of all firms that announced one or more acquisitions during the year 2016 is greater than 30%? Use α = .05
For the hypothesis test question, I need to show the:
During the first 5 months he bought the shares at a price of tk. 100, tk. 120, tk. 150, Tk. 200 and tk. 240 per share respectively. After 5 months what is the average price paid for the shares by the investor.
Test, using an alpha level equal to 0.05, to determine whether the mean drive-thru time is equal during the three dining periods (breakfast, lunch, and dinner.)
In which study would noncompliance be more of a problem: a study where participants are to think about bad hair or leaky containers
a. How many different 3-course meals can be ordered from this menu? (Draw a tree diagram to help visualize this sample space; or use the counting rule to find the total number of meals.)
Among students in the "short" category, what percentage have ever been bullied?- Among students in the "not short" category, what percentage have ever been bullied?
To what probabilities do each of the following sigma levels correspond to, based on a standard normal curve: 3 sigma, 4sigma, 5 sigma, and 6 sigma? (Hint: Use the NORMSDIST function in Excel.
a sample of 12 observations is selected from a normal population for which the population standard deviation is known
computing the mean median range and standard deviation for the given data.weekly salaries in dollars for a sample of
suppose you are tasked to develop a section of the survey measuring home mortgage debt in which survey respondents are
Determine the optimal inventory policy when the goods are to be ordered at the end of every month from now on. The cost of bringing the inventory level up to y when x already is available is given by 2(y x).
Consider the standard error of a sample proportion obtained from a sample of size 100. Determine the standard error obtained from a population with p = 0.1.
a researcher wants to determine if the average performance on a standardized business management test is significantly
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