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Following are age and sex data for 20 midlevel managers at a service company: 34 F, 49 M, 27 M, 63 F, 33 F, 29 F, 45 M, 46 M, 30 F, 39 M, 42 M, 30 F, 48 M, 35 F, 32 F, 37 F, 48 F, 50 M, 48 F, 61 F. A manager must be chosen at random to serve on a companywide committee that deals with personnel problems.
What is the probability that the chosen manager will be either a woman or over 50 years old or both? Solve both directly from the data and by using the law of unions. What is the probability that the chosen manager will be under 30?
According to the 1996 Statistical Abstract of the United States, 7.6% of the scores on the verbal portion of the Scholastic Aptitude Test (SAT) exceeded 600.
compute a 95 confidence interval for the population mean based on the sample 1 2 3 4 5 6 and 39. change the number from
A civil service exam yields scores which are normally distributed with a mean of 81 and standard deviation of 5.5. If the civil service wishes to set a cut off score on the exam so that 15% of test takers fail the exam, what should the cut off sco..
Machine which fills quart milk cartons is set up to average 32.2 oz per carton, with standard deviation of 1.2 oz. Determine probability that filled carton will contain less than 32 oz of milk?
Shown below is computer ouput for a regression analysis relating Y (demand in units) and X (unit price).
let x and s2 be the mean and variance of a random sample size n16 from the normal distribution nu gamma2a find d using
fat contents in percentage for 10 randomly selected hot dogs were given in the article sensory and mechanical
a). Determine in this case whether the conditions for the Poisson approximation to the Binomial distribution are satisfied. b). If so, please use the Poisson approximation to the binomial distribution to find the probability.
a scientific committee of 4 persons is to be randomly selected from a group consisting of 3 biologists 3 physicists and
suppose that the average number of airline crashes in a country is 1.9 per month.a what is the probability that there
Conduct a hypothesis test to verify if the claim that a bottle contains less than sixteen (16) ounces is supported. Clearly state the logic of your test, the calculations, and the conclusion of your test.
Use the trend equation to calculate the points for 2003 and 2005. Plot them on the graph and draw the regression line.
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