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The daily catch of a small turn-fishing fleet from ocean foods company has averaged 130 tons over the last few years, with a standard deviation of 42 tons. The probability that during a sample of four (4) fishing days, the weight of the daily catch will be between 109 tons and 151 tons is
A 0.3830B 0.6170C 0.6826D 0.8413E cannot be determined unless the weight of the daily catch is normally distributed.
A four-year university has decided to implement new approach to teaching Statistics. Full-time and adjunct professors were surveyed to determine whether they preferred the traditional lecture approach or a computer approach to teaching Statistics.
If 55 people are chosen at random, what is the probability that the sample mean of IQ scores will not differ from the population mean by more than 2 points?
What is the probability that no more than two of the three are commercial successes?
A monthly budget of $100,000 is available for both advertising and purchase of the fragrances. Develop and solve a linear optimization model to determine how much of each type of perfume should be produced to maximize the net profit.
Rosa's Italian restaurant wants to develop forecasts of daily demand for the next week. Develop a forecasting chart, using MS Excel. Include the steps used in your forecast.
Kurt's Adventures, Inc. stock is quite cyclical. In a boom economy, the stock is expected to return 30% in comparison to 12% in a normal economy and a negative 20% in a recessionary period.
Estimating the individual score using normal distribution - blood pressure higher than what amount?
Explain why the t distribution is used as a part of the confidence interval.
What is a Wilcoxon-Whitney Test and when is it used? I am not sure when to use the Wilcoxon-Whitney Test and what it is testing.
Explain the difference between the null and alternative hypothesis. Which one can be proven in a statistical sense?
M&M Milk Chocolate candies colors are not all the same proportion. Blue consist of 24% of the bag pieces while Brown & Red only 13% each. The following was found:
Male runners follow a normal distribution with unknown mean u and standard deviation o = 5 kg. You compute 95% confidence interval for u. What is the 95% confidence interval for u?
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