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Real estate ads suggest that 71% of homes for sale have garages? 21% have swimming pools? And 2% have both features. What is the probability that a home for sale has (1) a pool or a garage (2)neither a pool nor a garage, and (3) a pool but no garage.
in the november 1990 issue of chemical engineering progress a study discussed the percent purity of oxygen from a
A ski shop manager claims that the average of the sales for her shop is $1800 a day during the winter months. Fifty winter days are selected at random
Calculate the test statistic, determine the p-value, and at α = 0.05 significance level, test the hypotheses and draw your conclusion.
Population standard deviation of 5 and you select a sample size of 100, what is the probability that the sample mean is between 47 and 49.5?
The model that result is: y= 0.6 + 1.2x, where the dependent variable is the amount of sales, in thousands of dollars, realized during the week and the independent variable is the amount spent on newspaper advertising, in hundreds of dollars, duri..
An urn contains four red balls and four white balls. An experiment consists of selecting at random a sample of four balls and recording the number of red balls in the sample. Set up the probability distribution and compute its mean and variance.
In order to prepare yourselves for the "big paper," you will conduct two separate topic investigations or "I-searches." From these investigations, you will write two I-search / Topic Selection papers (see criteria below). Begin by asking yoursel..
the pmf of the amount of memory x gb in a purchased flash drive is given as the
A confidence interval increases in width as:
Estimate the mean study time for the population of all students. What is the probability that the sample mean exceeds the population mean by more than 2 hours?
They want you to determine what the data indicate about this.In this problem I am having an issue trying to determine what equation to use to solve. Is this a one or two way ANOVA or should I just use a z-test to solve?
Let X(n) be the number of individuals in the nth generation of a branching process (X(0) = 1), and set Tn = 1 + X(1)+ · · · + X(n), that is, Tn equals the total progeny up to and including generation number n.
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