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identify the value that corresponds to i the point estimate and ii the margin of error for the following confidence
a researcher is curious whether or not a persons level of education influences his or her personal outcome identify the
all things being equal when we have a two-tailed alternative hypothesis test it is easier to reject the null hypothesis
a gambler claims that when an ancient coin is tossed tails comes up too often as an experiment the coin is tossed 900
management has identified a new transportation company that will decrease costs by 17marketing has identified an error
a self-proclaimed psychic was challenged by some scientists to demonstrate his supernatural powers the scientists asked
an experimenter wants to know if a particular molecule is effective at reducing inflammation the experimenter treats
in a certain town 40 of the eligible voters prefer candidate a 10 prefer candidate b and the remaining 50 have no
briefly discuss the two factors that can cause a statistical outlier to be influential in regression
an electrical engineer conducts an experiment in which he measures the number of components that could fail in a
lets say 15 percent of americans had a stroke last year now if i choose 17 people at random find the probability that 6
a light bulb has 12 diferent components which could fail the probability of each component failing is 03 find the
find the coefficient of determination given that the correlation coefficient -84 give your answer as a decimal rounded
out of 50 people surveyed i had 24 yes and 26 nocalculate the proportion who answered yes and the proportion who
you are the only bank teller on duty and you want to take a break for 10 minutes but you dont want to miss any
it is believed that 4 of children have a gene that may be linked to juvenile diabetes researchers at a firm would like
a wallet contains 3 100 bills and 5 1 bills you randomly choose 4 bills what is the probability that you will choose
find the minimum sample size required to estimate an unknown population mean how many students must be randomly
in 2008 the per capita consumption of soft drinks in country a was reported to benbsp1828nbspgallons assume that the
suppose we conduct a hypothesis test and we obtain a p-value of 00625 we are making our decision rules at the
in 1990 the average math sat score for students at one school was 500 five years later a teacher wants to perform a
you wish to test the claim that mu 800 at a level of significance of alpha 005 and are given sample
use the traditional method of hypothesis testing to test the claim about the means of two populations assume that two