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to estimate the percent of district voters who oppose a certain ballot measure a survey organization takes a random
pulse differencethe following numbers are the differences in pulse rate beats per minute before and after running for
city a has a population of 4 million and city b has 6 million both cities have the same proportion of women a random
employee salaries suppose that 500 employees each took a random sample with replacement of 100 employees at their
airline overbooking an airline known that over the long run 90 of passengers who reserve seats show up for their flight
a probability class has 30 students as part of an assignment each student losses a coin 200 times and records the
batting averages suppose that a baseball players long-run batting average number of hits per time at bat is 300
a pollster wishes to know the percentage p of people in a population who intend to vote for a particular candidate how
suppose you knew the consecutive odds ration rk pkpk - 1 of a distribution p0 pn find a formula for pk in terms of
mens pulse ratesa random sample of 25 mens resting pulse rates shows a mean of 72 beats per minute and a standard
suppose that each week you buy a ticket in a lottery which gives you a chance of 1100 of a win you do this each week
a box contains 1000 balls of which 2 are black and the rest are whitea which of the following is most likely to occur
let x be the number of successes in 25 independent trials with probability 110 of success on each trial let m be the
sale of microwavesthe average number of microwaves sold in the city in 2015 was 2700 per day suppose the standard
mode of the poisson distribution use consecutive odds ratios to find the largest k that maximizes the poisson micro
a cereal company advertises a prize in every box of its cereal in fact only about 95 of their boxes have prizes in them
clt shapes one of the histograms is a histogram of a sample from a population with a skewed distribution one is the
suppose you take a random sample of 10 tickets without replacement from a box containing 20 red tickets and 30 blue
a population of 100000 people consists of 40 men and 60 women a random sample of size 100 is drawn from this population
used car agesone histogram shows the distribution of ages of all 638 used cars for sale in the ventura county star
a deck of cards is shuffled and dealt to four players with each receiving 13 cards finda the probability that the first
suppose 55 of a large population of voters actually favor candidate a how large a random sample must be takes for there
module - anovaancova1anova-what is the reasoning for conducting post-hoc analyses2anova-when would you choose for your
in a raffle with 100 tickets 10 people buy 10 tickets each if there are 3 winning tickets drawn at random find the
a lot of 50 items is inspected by the following two -stage plani a first sample of 5 items is drawn without replacement