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Question: The construction time for a highway project depends on weather conditions. It is expected to take 240 days if the weather is dry and the temperature is hot. If the weather is damp and cool, the project is expected to take 320 days. Otherwise, it is expected to take 275 days. The historical data suggest that the probability of cool, damp weather is 35% and that of dry, hot weather is 40%. What is the project's probability distribution and expected completion time?
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in an experiment 50 individuals were told that they had just purchased a ticket to a concert and 50 were told that they
An investment portfolio has equal proportions invested in five stocks. The expected returns and standard deviations (both in percent per year) are (8, 3).
Consider the following linear regression model:
Describe the distribution of Body Mass Index in males. (Hint: consider measures of centre, spread and shape. Avoid cutting and pasting R commander output - write the answer in your own words.)
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The lifetime for a certain brand of incandescent light bulbs is normally distributed with a mean lifetime of 480 hours and standard deviation of 40 hours
Ben Swanson, owner and manager of Swanson's Department Store, has decided to use statistical forecasting to get a better handle on the demand for his major products.
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