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gerald took the act and scored a 27 on the math portion the act had a mean math score of 21 with a standard deviation
the length of a human pregnancy with no complications from conception to birth varies according to a normal
eleanor scored 680 on the math portion of the satnbspthe sat had a mean math score of 515 micro 515 and a standard
in a study using 10 samples and in which the population variance is known the distribution that should be used to
one study based on responses from 1025 randomly selected teenagers concluded that 39 of teenagers cite grades as their
in a random sample ofnbsp18nbsppeople the mean commute time to work wasnbsp345nbspminutes and the standard deviation
in a survey of 2802 adults 1448 say they have started paying bills online in the last year construct a 99 confidence
assume the random variable x is normally distributed with mean nbsp50mu50nbspand standard deviationnbspsigma7
a population has a mean of 78 and a standard deviation of 12 what is the mean and standard deviation of a sampling
a vending machine dispenses coffee into an eight-ounce cup the amount of coffee dispensed into the cup is normally
an automobile manufacturer recommends oil change of 3000 miles to compare actual intervals to the recommendation the
in a survey of women in a certain country ages 20minus29 the mean height was 664 inches with a standard deviation of
n people order a single donut from a shop at an average rate rate of 400 people per week we also know that n is poisson
a what is an example of when you would want consistent data and therefore a small standard deviationb what is an
the department in which you work in your company has 24 employees a team of 3 employees must be selected to represent
consider a situation in which 500 people work in the same building twenty had a head cold on 1 june 2014 which
the department in which you work in your company has 24 employees 10 women and 14 men a team of 4 employees must be
a survey of women in a certain country ages 20-29 the mean height was 639 inches with a standard deviation of 287
the total levels of cholesterol of a sample of men aged 35-44 are normally distributed with a mean of 217 milligrams
scores for the reading portion of a test were normallynbspdistributed with a mean of 203 and a standard deviation of
a random sample of 36 mean of 62580 and a standard deviation of 5850 what is 90 and 95 confidence interval and round to
a survey of athletes revealed that for their minor aches and pains 30 used aspirin 50 used ibuprofen and 15 used both
the commuter trains on the red line for the regional transit authority rta in cleveland oh have a waiting time during
beside temperature can anyone help me list other examples where similar averages can be associated with very different
for many years the new york subway had no air conditioning on the grounds that the average trip was only 15 minutes and