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1 in an urn there are two balls one with the number 2 and one with the number 3 when you pick from the urn the chance of observing a ball with the
suppose that in a simple random sample of 100 people 69 of them believe the seahawks will win the superbowl this year we want to determine if the
1 how many ways are there to select a subcommittee of 7 members from among a committee of 212 you have 85 friends with whom you like to play golf
3genotypes aa aa and aa occur with probabilities 1 2 3 for n3 independent observations the observed frequencies are n1 n2 n3aexplain how you can
a confidence interval with a 95 confidence level for the proportion of voters who are in favor of the proposition in a referendum is 071 077 how many
1 use the normal distribution of sat critical reading scores for which the mean is 513 and the standard deviation is 120 assume the variable x is
2 we saw in class that a coin-flipping game that pays 2n if the first head appears on the nth that is a random variable x such that p x 2n 12n for
8which of the statements about line-balancing is trueaif a precedence relationship exists between tasks a and b they cannot be assigned to the same
suppose you work for a company that manufactures electronics the development analysts estimate that 2 of their flagship product will fail after the
sometimes data does have a huge difference and mean is still the best way to find the central point for example perhaps you have a millionaire
testing the difference between two meansbull what two assumptions must be met when you are using the z test to test differences between two means can
step 1 solve the following problemsuse a program such as ms word to write your solutions to the following problems be sure to include all relevant
1 you are interested in testing the distance of two golf balls brand a and brand b you take a random sample of 100 golfers each of whom hits brand a
1 you are tracking correlation of two funds fund a and fund b examining current quarter data to date the probability of fund b exceeding its
testing the difference between two means note please respond to one 1 of the following two 2 bulleted itemswhat two assumptions must be met when you
1 find the margin of error for the given values of csand nc095s31n812 construct the confidence interval to find the estimated margin of error then
the shell of the land snail limocolaria martensiana has two possible color forms streaked and pallid in a certain population of these snails 60 of
a what do we understand for measures of central tendencyb what are some examples of measures of central tendencyc is the mode a measure of central
the data set toxemia contains information for a sample of 100 infants born in two hospitals in boston indicators of a maternal diagnosis of toxemia
a researcher conducts a study of perceptual illusions under two different lighting conditions twenty participants were each tested under both of the
a prestigious university requires a score of at least 750 on a graduate exam for admission to its mba program suppose the graduate exam is normally
a poll was conducted by making random phone calls to people in the united states 3000 people called agreed to participate in the survey the