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in a sample of 335 people aged 65 and over 123 of them had sleeping disorder what is the lower bound for the 90
a sample of 45 water specimens taken from a construction site 30 contained detectable levels of lead what is the upper
a factory is producing 50000 pairs of shoes to test the claim that less than 1 of the shoes are sub standard we took a
assume that females have pulse rates that are normally distributed with a mean of mu740 beats per minute and a standard
1 a researcher at a major clinic wishes to estimate the proportion of the adult population of the united states that
the administration at a university is interested in studying if any relationship exists between satisfaction at the
95 confidence interval for the proportion of kids that watch television estimate the sample size needed so that the
95 confidence interval for the proportion of adults who believes that economic conditions are getting better a gallup
99 confidence interval for the proportion of people who changed jobs in the past year what sample size is needed so
a 99 confidence interval for the proportion of knee replacement surgeries that result in complications it was
use the value of the linear for relation corporation to calculate the corporation of determination what does this tell
research enquiry for managers assessment - sublime delight case analysisbackgroundsublime delight is a small but
suppose that in a large hospital system that the average mean time that it takes for a nurse to take the temperature
suppose that you take a sample size of 18 from a population that is not normally distributed can the sampling
in 2002 approximately 39 of the people eligible to vote in mid-term elections voted suppose you have taken a sample of
here are summary data from a z test regarding scores on the consideration of future consequences scale petrocelli 2003
a sample of n21 observations is drawn from a normal population with mu990 and sigma220 find each of the followinga
a physician with a practice is currently serving 290nbsppatients the physician would like to administer a survey to his
a website reported thatnbsp32 of drivers 18 and older admitted to texting while driving in 2009 in a random sample
suppose that the heights of adult women in the united states are normally distributed with a mean of 65 inches and a
a random sample size of n66 is taken from a population mean -125 and standard deviation of 6 what is the probability
a newspaper article reported that people spend a mean of 7 hours per day watching tv with a standard deviation of 19
question jill and laura have lunch together they flip a coin to decide who pays for lunch and then flip a coin again to
suppose that in a very large city 72 of the people have more than two jobs suppose that you take a random sample of 80
the claim is that the proportion of drowning deaths of children attributable to beaches is more than 025 and the sample