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Human temperatures are normally distributed with a mean oral temperature of 98.6 ? with a standard deviation of 0.7?. What is the probability that a human's temperature is between 99? and 100??
Let X be a normally distributed random variable with mean 410 and standard deviation 2. Find the probability that X will be between 407 and 415.
Estimate the population means growth in 1 year for 14-year-old boys. Make a point estimate and an 80% confidence interval estimate.
Consider a pair of random variables X and Y which have joint probability density fx,y(X,Y) which is a constant over the region 0 =0.3].
What are the differences between correlation and regression? What are the common pitfalls of using regression modeling?
for a particular brand of seed on the average 10 of the seeds do not germinate. find the probability distribution for a
Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested recently predicted a mean of 24.80 mpg and a standard deviation of 6.2mpg for highway driving. Assume that a normal model can be applied.
the regression equation salary 28000 2700 yearsexperience 1900 yearscollege describes employee salaries at ramjac
a construction company figures the cost of a project based on an average idle time of 68 minutes per worker per 8 hour
The numerators for the sample variance and population variance do not differ. SS is the numerator in both formulas; only the denominators differ.
What is the percentage of variation in the dependent variable explained by the variation in the independent variable.
a company that bakes chocolate chip cookies averages 5.2 chocolate chips per cookie. assume that the number of
The amounts (in ounces) of juice in eight randomly selected juice bottles from a normally distributed population are given below. Construct a 95% confidence interval for the mean amount of juice in all such bottles. Round the confidence interval ..
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