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bank tellers i am the only bank teller on duty at my local bank i need to run out for 10 minutes but i don t want to
hurricanes redux we first looked at the occurrences of hurricanes in and found that they arrive with a mean of 245 per
the euro shortly after the introduction of the euro coin in belgium newspapers around the world published articles
annoying phone calls a newly hired telemarketer is told he will probably make a sale on about 12 of his phone callsthe
no-shows an airline believing that 5 of passengers fail to show up for flights overbooks sells more tickets than there
lefties again a lecture hall has 200 seats with folding arm tablets 30 of which are designed for left-handers the
apples an orchard owner knows that hell have to use about 6 of the apples he harvests for cider because they will have
and more tennis suppose the tennis player in given exercise serves 80 times in a matcha what are the mean and standard
frogs a wildlife biologist examines frogs for a genetic trait he suspects may be linked to sensitivity to industrial
tennis anyone a certain tennis player makes a successful first serve 70 of the time assume that each serve is
international students at a certain college 6 of all students come from outside the united states incoming students
vision it is generally believed that nearsightedness affects about 12 of all children a school district tests the
still more arrows suppose our archer from exercise 20 shoots 10 arrowsa find the mean and standard deviation of the
still more leftiessuppose we choose 12 people instead of the 5 chosen in given exercisea find the mean and standard
more arrowsconsider our archer from given exercisea how many bull s-eyes do you expect her to getb with what standard
lefties redux consider our group of 5 people from given exercisea how many lefties do you expectb with what standard
arrows an olympic archer is able to hit the bull s-eye 80 of the time assume each shot is independent of the others if
lefties assume that 13 of people are left-handed if we select 5 people at random find the probability of each outcome
roulette and intuition an american roulette wheel has 38 slots of which 18 are red 18 are black and 2 are green 0 and
colorblindness about 8 of males are colorblind a researcher needs some colorblind subjects for an experiment and begins
coins and intuition if you spin a fair coin 100 timesa intuitively how many heads do you expectb use the formula for
blood only 4 of people have type ab blooda on average how many donors must be checked to find someone with type ab
more petsyoure thinking about getting two dogs and a cat assume that annual veterinary expenses are independent and
medley in the medley relay event four swimmers swim 100 yards each using a different stroke a college team preparing
bikes bicycles arrive at a bike shop in boxes before they can be sold they must be unpacked assembled and tuned