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. Under older Federal Aviation Administration rules, airlines had to estimate the weight of a passenger as 185 pounds. (That amount is for an adult traveling in winter, and it includes 20 pounds of carry-on baggage.) Current rules require an estimate of 195 pounds. Based on data from the National Health and Nutrition Examination Survey, men have weights that are normally distributed with a mean of 172 pounds and a standard deviation of 29 pounds.
a. a. If 1 adult male is randomly selected and is assumed to have 20 pounds of carry-on baggage, find the probability that his total is greater than 195 pounds. Round your answer to three decimal places.
If the organization's claim is correct, what is the probability of having a sample mean of 114.6 or less for a random sample of this size?
How would managers find benefit in helping them to obtain valuable information in problem identification research. Discuss whether these data are secondary or primary and justify your answers
Determine the mean, median, and range for each of two data sets. b. Determine standard deviation using rule of thumb for each of data sets.
A random sample of 100 observations is obtained from a normally distributed population with a standard deviation of 10. What is a 95% confidence interval for the mean of the population if the sample mean is 40?
Consider the following two binomial experiments. In a binomial experiment consisting of six trials, how many outcomes have exactly one success and what are these outcomes?
Find out the operating characteristics for this system.
If this study involved a repeated measures design (within subjects) comparing conditions with the same number of participants, how many participants would be in each group?
Pierre has a utility function for total asset position of u(x)=ln(x), His assets currently consist of $50,000 in cash and a rare violin he inherited from a rich uncle which is valued at $100,000.
The following table describes the asset allocation of your portfolio with the corresponding return in percentage, X, and the proportion of that specific asset in the portfolio, P(X).
Construct a frequency distribution and construct a histogram for the following data and use seven intervals, starting with 30-39.
Why is cumulative relative frequency distribution so much more informative that just relative frequency distribution? Use examples to explain these differences.
The top 25 companies ranked by market capitalization operating in the washington DC, area along with the year they were founded and the number of employees are given below.
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