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there are two coins in a basket one coin has the probability of head 05 and for the other coin the probability of head
in a recent poll 480 people were asked if they liked dogs and 60 said they did find the margin of error of this poll at
according to a university center for logistics management 4 of all merchandise sold in the united states gets returned
1 sales volume last weekend for a sample of ten car dealerships were as followsdata point 1 2 3 4 5 6 7 8 9 10 sales 44
1 consider the following sample data for the relationship between advertising budget and sales for product aobservation
during aperiod of 11 yearsout of2200 gamersthatwere selected foracertainsurvey21 of them were over 40
suppose we color 7 boxes using a pallet of 61 colors what is the probability that the colors turn out to be all
the data show the capital value and annual rental value of 96 domestic properties in auckland in 1991 actual data was
keno is a lottery-type gambling game where players pay to choose a certain amount of integers from 1 to 80 each
according to harris poll chocolate is the favorite ice cream flavor for 27 of americans if a sample of 100 americans is
place the following data in sheet 1nbspseven types of root-stock were used in an apple orchard grafting
the marital status distribution of the us male population age 15 and older is as shown belowmarital statuspercentnever
test the claim that the proportion of people who own cats is larger than 60 at the 005 significance levelthe null and
according to a university center for logistics management 7 of all merchandise sold in the united states gets returned
assume that a sample is used to estimate a population proportionnbspmu find the margin of errornbspmenbspthat
suppose a coin toss turns up 12 heads out of 20 trials at 05 significance level can one reject the null hypothesis that
a bank has n poi1000 independent investments each gives net profit distributed as z - 1where z exp1 find the
for independent random variablesx n-13 yn02 zn41consder the random variable u 2x - 4y - z 5 find the expectation
listed below are the heights of candidates who won elections and the heights of the candidates with the next highest
blood group type alpha beta is found in only 5 of the populationnbspsuppose 200 people are chosen at random and their
1 suppose you roll a six-sided die 7 times and count the number of fives what is the probability you get exactly two
decide rst whether data are quantitative or qualitative unless mentioned otherwise no assumption has been seriously
scenarionbspimagine you are a researcher who is interested in studying whether sleep deprivation leads to increased
determining a linear correlationin a test of a weight loss program weights of 40 subjects are recorded before and after
suppose you want to test the claim that mu1nbsplt mu2 two samples are random independent and come from populations that