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suppose that x is a normally distributed variable on each of two populationsindependent samples of sizes n1 and n2
on average a doctor will treat between 0 and 5 patients per daynbsp the random variable x represents the number of
the mean height for a population is 65 inches and the standard deviation is 3 inches let a and b denote the events
use the empirical rule to draw conclusions about the data set below and to determine the probability of modules
a restaurant owner wants to determine if there is evidence that the proportion of wait times to be seated in a
twenty randomly selected students took the statistics midterm exam the results from the midterm show that we have a
a 95 confidence interval for the population proportion of adults that use a cell phone versus a land-line phone for
a researcher wants to test his hypothesis that high-school students who use a math-tutoring program have higher mean
given there are 11 red balls5 green balls and 21 blue ballsa ball is drawn randomly what is the probability that the
given there are 4 red balls7 green balls and 9 blue balls a ball is drawn randomly what is the probability that the
1 report appropriate descriptive results2 present the results in a logical fashion answering the research questions and
what information do you need to locate the critical value for a t
eighty-five superannuation funds operating in australia are randomly selected and their percentage returns in 2015 are
the number x of computers that a hardware store sells in a week obeys the poisson distribution with 2 lambda the
how to plot the maximum thermal efficiency for an otec facility operating with a temperature difference range of 10degc
an alternative has a discounted project cost of 2185000 with no salvage value the estimate was in constant dollars and
the variance in the strength test values of 270 bricks is 689 mnm22with a mean of 692 mnm2 what is the random error in
caption tmh industry purchases glass containers from india for the packaging of their tires these shipments come to tmh
a survey of more than 2000 workers was commissioned by careeronecomau to coincide with the release of the movie
find the z-score for which 99 of the distributions area lies between -z and
draw a tree diagram illustrating the events two cards are drawn in succession with replacement from a standard deck of
what is the best way to determine the differences between qualitative and
sally and ron have decided to go back to school sally is 282 and ron is 25 based on their relative position which of
would two groups that have similar means but one group has a small variance and the other group has a large variance be