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two fair coins are tossed definea getting a head on the first coinb getting a head on the second coina and b getting
suppose that people are equally likely to have been born on any day of the week you meet a new friend and ask her on
refer to given exercise now suppose you meet two new friends independently and ask each of them on what day of the week
a popular lottery game is one in which three digits from 0 to 9 are chosen so the winning number can be any of the 1000
refer to given example dull rats which was done by using a completely randomized designa what were the treatments in
give an example of an observational study and explain the difference between a confounding variable and a lurking
in an experiment done at an english university 64 students held their hands in ice water for as long as they could
at the beginning of alicias day the outcomes of the five random circumstances listed were uncertain to herwhich of them
you are about to enroll in a course for which you know that 20 of the students will receive as do you think that the
does using simulation to estimate probabilities rely on the relative frequency or the personal probability
if you wanted to pretend to be psychic you could do a cold reading on someone you do not know suppose that you are
jan is a member of a class with 20 students that meets daily each day for a week monday to friday a student in jans
refer to a study described in a sacramento bee article titled much ado over those bad hairdos january 26 2000 p a21
refer to given case study kids and weight lifting did the experiment described there use a completely randomized design
find an example of an observational study in the news answer the following questions about it be sure to include the
is it possible for each of the following to be used in the same study on the same units explain or give an example of
find an example of a randomized experiment in the news answer the following questions about it be sure to include the
refer to given exercise and answer these questionsa for each study on the basis of the information given is it clearly
refer to the study in given example that compares ages at death for left-handed and right-handed people draw a figure
refer to given case study in which physicians were randomly assigned to take aspirin or a placebo and heart attack
refer to a study published in the journal of the american medical association and reported in the sacramento bee on
a categorical interacting variable defines subgroups for which the effect of the explanatory variable on the outcome