Probability of event after x hours is 0.74e-0.5x + 0.25e-0.25x Find mean, variance and quartiles of waiting times
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- No plagiarism What are the important properties of a normal distribution? How could one determine if a variable is an important predictor of prices? How can you compute the intercept coefficient in a regression with one explanatory variable? How can you easily compute the slope coefficient in a regression with one explanatory variable?show all solution A wine’s distinctive taste is a result of ageing it in wooden casks. Some of the wine evaporates while it is aging in the porous wooden casks. Define X=percentage of wine in the cask that is lost due to evaporation. Suppose X is normally distributed with mean 5% and a standard deviation of 1%. What is the probability of losing more than 7.5% of the wine due to evaporation?Discuss the co efficient of variation also writedown why we use coefficient of variance
- I need the answer as soon as possibleExplain difference between three formulas that are used in t-test for two samples with real life situations?mean of x = 2.882, standard deviation = 1.634 Mean of y = 2.588, standard deviation = 0.246 The correlation coefficient is 0.159 slope coefficient for regression line = .0239 Find the intercept for the regression line.
- what happens to the sample mean when sample size decrease? decrease stay the same increase cannot be predictablePearson correlation statistic is only valid when the relationship between the two quantitative (continuous) variables isDescribe the important characteristics of the variance of a conditional distribution of an error term in a linear regression. What are the implicationsfor OLS estimation?
