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in a random sample of 28 families the average weekly food expense was 9560 with a standard deviation of 2250 determine
question the impact of a television commercial measured in terms of excess sales volume over a given period is believed
a random sample of 40 students has a mean annual earnings of 3120 and a standard deviation of 677 construct the
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im interested in seeing if there is a correlation between number of hours someone drives and the amount of fuel in
census data show thatnbsp14 of students in a certain country went to college or a trade school within a year of
1 if you flip a fair coin five times in a randomuncontrolled manner what is the probability that the coin would land
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1 you are given the following probabilities pa 04 pb 025 and you are told the two events are independent hint
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question estimates published by the world health organization state that one out of every three workers may be toiling
punctuality of patients in keeping appointments is of interest to a research team in a study of patient flow through
for a normal distribution with a mean of 224 and a standard deviation of 40 how do i find the z value for a random
x is the number of returns that i get the distribution of x is a binomial probability distribution what is the number
heresa has many icu patients in her carenbspsome of the patients are on feeding tubes while others are on ivs
suppose the null hypothesis isnbspnot rejected state the conclusion based on the results of the testsix years
we have 100 earthquake listening stations an imminent earthquake corresponds to a level 5 measurement the sample mean
can you please help me with these probability ranges i am having the hardest time understanding how to figure them
suppose annbspxnbspdistribution has meannbspmunbsp 8 consider two correspondingnbspxnbspdistributions the first based
question the probabilities that three drivers will be able to drive home safely after drinking are 05 025 and 02
for a normal distribution with a mean of 277 and a standard deviation of 30 what is the z value distance from the mean
question probability concepts and applicationsanswer the following questions1 describe the rationale for utilizing
consider the following hypotheses testh0nbspmunbspgenbsp80hanbspmunbspltnbsp80a sample of 121 provided a sample mean of
a diagnostic test has been developed for a rare disease that afflicts 1 out of 1000 adults it has a sensitivity true