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Now we are going to talk about continuous probability distributions. In a continuous probability distribution, the variable can have a value within a range.
The most common continuous distribution is the standard normal distribution, select a continuous random variable (be sure to describe it), and explain whether you think it is best characterized as a uniform or normal distribution. Be sure to support your posting with information from the text.
Concept of statistical signi cance
Assume that 5% of men and only .25% of women are colorblind. A colorblind person is chosen at random:
Great Plains Roofing and Siding Company inc, sells roofing and siding products to home repair retailers, such as Lowe's and Home Depot, and commercial contractors.
Determine her weighted mean grade? What letter grade did she earn? (A, B, C, D or F).
Times spent studying by students in the week before final exams follow a normal distribution with standard deviation 8 hours. A random sample of four students was taken in order to estimate the mean study time for the population of all students.
Delivery Format The General Social Survey asks, "About how often did you have sex in the past 12 months?" About 47% of respondents indicated they had sex at least once a week.
Obtain a test statistic and p-value. Interpret the results at = .01.
Determine regression line for predicting January temperature from latitude.
If profit earned in the manufacture and sale of X units of a product is P dollars where: P = 10X - 0.001X2
Is the gender distribution for theater goers significantly different from the distribution for the general college? Test at the .05 level of significance.
For a sample of 138 independent observations from a normal distribution of unknown μ and variance σ 2 = 2.6, the sample mean is 52.3. What is the width of the 95% confidence interval for μ?
At.05 level of significance determine if correlation between rental cost and apartment size is significant.
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