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A pediatrician measured the heights of 20 randomly selected 6-year old girls. The average height for these 6-year olds is (x bar) ¯x = 44.85 inches with a standard deviation s = 3.39 inches. Assume that the distribution of heights of all 6-years old is approximately normally distributed. Find the 90% confidence interval for the population mean of µ of all 6-years old girls and the Margin of error?
We did not find enough evidence to say a significant difference exists between the true average electric bill and $30.20
the computer-science aptitude score x and the achievement score y measured by a comprehensive final were measured for
The stock pays an annual dividend of $0.6 per share. Today, you sold all of your shares for $30 per share. What is your total dollar return on this investment?
in a certain town 70 people support the construction of a new ballpark. if 5 people are randomly selected what is the
A fair coin is flipped 3 times. Compute the odds of flipping 3 tails.
Accidentally typed in error as a 415, what would be the impact on the following statistics? Answer with increase, decrease, or remain the same.
A sample of teenagers was obtained and all were asked if they can cook. Describe the population of interest, the sample, and the variable of interest in this problem.
This problem related to Basic Statistics and it discuss about the examples of qualitative and quantitative methods of data collection
Determine the probability that an arriving customer is refused entry in a M/M/1/K system if the previous customer was accepted in the system.
Determine whether each of the following variables would best be modeled as continuous or discrete.
prove that the velocity induced region surrounding a doubly infinite vortex sheet of constant strength satisfies the
This question relates to Basic Statistics and it discuss about how the subject of statistics and its application can be misleading or can be misused. This has been explained with examples
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