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chickenpox part ii we learned in exercise 326 that about 90 of american adults had chickenpox before adulthood we now
university admissions suppose a university announced that it admitted 2500 students for the following years freshman
survey response rate pew research reported in 2012 that the typical response rate to their surveys is only 9 if for a
arachnophobia a 2005 gallup poll found that 7 of teenagers ages 13 to 17 suffer from arachnophobia and are extremely
portfolio return a portfolios value increases by 18 during a financial boom and by 9 during normal times it decreases
baggage fees an airline charges the following baggage fees 25 for the first bag and 35 for the second suppose 54 of
american roulette the game of american roulette involves spinning a wheel with 38 slots 18 red 18 black and 2 green a
european roulette the game of european roulette involves spinning a wheel with 37 slots 18 red 18 black and 1 green a
cost of breakfast sally gets a cup of coffee and a muffin every day for breakfast from one of the many coffee shops in
scooping ice cream ice cream usually comes in 1 5 quart boxes 48 fluid ounces and ice cream scoops hold about 2 ounces
income and gender the relative frequency table below displays the distribution of annual total personal income in 2009
gre scores part i sophia who took the graduate record examination gre scored 160 on the verbal reasoning section and
triathlon times part i in triathlons it is common for racers to be placed into age and gender groups friends leo and
the average daily high temperature in june in la is 77degf with a standard deviation of 5degf suppose that the
capm the capital asset pricing model capm is a financial model that assumes returns on a portfolio are normally
auto insurance premiums suppose a newspaper article states that the distribution of auto insurance premiums for
the distribution of passenger vehicle speeds traveling on the interstate 5 freeway i-5 in california is nearly normal
health coverage relative frequencies the behavioral risk factor surveillance system brfss is an annual telephone survey
global warming a 2010 pew research poll asked 1306 americans from what youve read and heard is there solid evidence
burger preferences a 2010 survey usa poll asked 500 los angeles residents what is the best hamburger place in southern
drawing box plots after an introductory statistics course 80 of students can successfully construct box plots of those
predisposition for thrombosis a genetic test is used to determine if people have a predisposition for thrombosis which
exit poll edison research gathered exit poll results from several sources for the wisconsin recall election of scott
its never lupus lupus is a medical phenomenon where antibodies that are supposed to attack foreign cells to prevent
marbles in an urn imagine you have an urn containing 5 red 3 blue and 2 orange marbles in ita what is the probability