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there are twelve sing of the zodiac how many people must be present for there to be at least a 50 chance that two or
a biased coin lands heads with probability 23 the coin is tossed three timesnbspa given that there was at least one
college athletes weightsin exercise you could reject the null hypothesis that the mean weights of soccer and baseball
a typical slot machine in a nevada has three wheels each marked with twenty symbols at equal spacings around the wheel
suppose you are one of n students in a classa what is the chance that at least one other student has the same birthday
suppose you roll a fair six sided die repeatedly until the first time you roll a number that you have rolled beforea
the ith switch in each of the following circuits is closed with probability p and open with probability qi for each i
textbook prices ucsb vs csunthe prices of a sample of books at university of california at santa barbara ucsb were
textbook prices oc vs csunthe prices of a random sample of comparable matched textbooks from two schools were recorded
there are boxes each with two drawers box 1 has a gold coin in each drawer and box 2 has a silver coin in each drawer
females-pulse rates before and after a fright in a statistics class taught by one of the authors students took their
a dormitory has n students all of whom like to gossip one of the students hears a rumor and tells it to one of the
suppose there are m equally likely possibilities for one stage and n equally likely possibilities for another show that
a box contains 5 tickets numbered 1 2 3 4 and 5 two tickets are drawn at random from the box find the chance that the
a how many sequences of zeros and ones of length 7 contain exactly 4 ones and 3 zerosb if you roll 7 dice is
ages of brides and groomsdata for the ages of grooms and their brides for a random sample of 31 couples in ventura
suppose that the birthday of each of three people is equally likely to be any one of the 365 days of the year
a box contains 1 black ball and 1 white ball a ball is drawn at random then replaced in the box with an additional ball
suppose 1 toss three coins two of them at least must land the same way no matter whether they land heads or tails the
gpas thirty gpas from a randomly selected sample of statistics students at oxnard college are available at this texts
there are boxesbox 1 contains 2red balls and 3 black ballsbox 2 contains 8 red balls and 12 black ballsone of the two
dancers heights using the data from exercise on dancers heights find a 95 confidence interval for the mean heightalso
a population of 50 registered voters contains 30 in favor of proposition 134 and 20 opposed an opinion survey selects a
changes in confidenceinterval state whether each of the following changes would make a confidence interval wider or
cards are dealt from a well-shuffled standard deck until the first heart appearsa what is the probability that exactly