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pulse and gender ci using data from nhanes we looked at the pulse rate for nearly 800 people to see whether it is
a hat contains a number of cards with30 white on both sides50 black on one side and white on the other20 black on both
televisionsthe table shows the minitab output for a two-sample t-test for the number of televisions owned in households
systolic blood pressureswhen you have your blood pressure taken the larger number is the systolic blood pressure using
triglycerides again report and interpret the 95 confidence interval for the difference in mean triglyceride level for
there high schools have senior classes of size 100 400 and 500 respectively here are two schemes for selecting a
blood pressures again report and interpret the 95 confidence interval for the difference in mean systolic blood
suppose electric power is supplied from two independent sources which work with probabilities 04 05 respectively if
assume identical twins are always of the same sex equally likely boys or girls assume that for fraternal twins the
there are two boxes the odd box containing i black marble and 3 white marbles and the even box containing 2 black
a manufacturing process produces integrated circuit chips over the long run the fraction of bad chips produced by the
clothes spending a random sample of 14 college women and a random sample of 19 college men were separately asked to
a digital communications system consists of a transmitter and a receiver during each short transmission interval the
false diagnosis the fraction of persons in a population who have a certain disease is 001 a diagnostic rest is
college athletes weightsa random sample of male college baseball players and a random sample of male college soccer
guessing what box consider a game as in examples 1 and 2 where 1 pick one of the three boxes then you guess which box 1
a box contains three shape as described in example 133 one of the shapes is a fir die and lands flat with probability
clothes spendingin exercise you could not reject the null hypothesis that the mean amount spent by men and the mean
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