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In the business world, the mean salary is often to describe the salaries of employees of a company. However, the median salary may be a better measure of the salaries than the mean. Which is the better measure of central tendency? Why?
Statistics and Probability, Statistics
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Question 1: Find the area between .-88 standard deviations below the mean and 2.35 standard deviations above the mean. '88=.3106 and 2.3=.4906 Both figures are added .3106+.4906= .8012 which is 80.12% Question 2: The are ...
You are lost on the Mythy Island in the summer, when tourists are two-thirds of the population. If you ask a tourist for direction the answer is correct with probability ¾; answers to repeated questions are independent e ...
Question: 1) A random variable X is defined as the difference between the higher value and the lowervalue when two dice are thrown. If they have the same value, X is zero. a.) Find the probability distribution for X. b.) ...
A random sample of 25 values is drawn from a mound-shaped and symmetric distribution. The sample mean is 12 and the sample standard deviation is 2. Use a level of significance of 0.05 to conduct a two-tailed test of the ...
What is the sample size for studies with MOE of +/-3.5% and +/-2.8%?, with a confidence level of 95%, sample statistics of .50? Please show work.
A student must answer 6 multiple choice questions for a test, but the student did not study well. There are 6 answers per question, but only one is correct. If the student randomly guesses on each questions, what is the ...
Assume the probability of a male being 50 is 4.80%, and the probability of being female and > 50 is 8.00%. Based on this information and the information in the tables above, what is the probability that someone
Taylor found that 8% of the recipients of loans from a particular mortgage lending institute default within the first 3 years. If he takes a random sample of 4 customers, who received loans 3 years ago, what is the proba ...
Interested in learning more about its fans, the marketing office of the Arena Football League (AFL) conducted a survey at one of its games. The survey had 952 respondents, 679 males and 273 females. Out of the 952 total ...
There is an 8%, 2-year bond, which we buy now at which point the required rates are 6%. If we intend to sell it in 2 years, when the market rates of interest are 2%, what is the market price of the bond then and now? A 1 ...
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