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the random variable x is the tread of life of a michelin tire which is measured in miles x follows a normal
students are asked to type two hundred and fifty words essey without using spell checking the number of misspelled
sick days during contract negotiations a company seeks to change the number of sick days employees may take saying that
if i have 7 red cars 9 silver cars and 4 black cars if i pull 10 what are the odds that 4 will be red and 4 will be
a coin is flipped twice let y number of heads obtained when the probability of a head for a flip equals p suppose y 0
recent research suggests that the amount of time that parents spend talking about numbers can have a big impact on the
a researcher has collected blood pressure measurements from a small sample of older people living in aged care
suppose that 4 of desktop computers run the linux operating system suppose 2 computers are randomly selected assume
suppose a box contains 12 silver coins s and 3 gold coins ganbspif you randomly select 2
worldwide approximately 70 of smart phones run the android operating system a while 30 run a non-android operating
cd players are normally distributed with a mean of 71 years and a standard deviation of 14 yearsa find the probability
a persons body-mass index bmi is calculated by dividing weight in kilograms by height2 in meters according to the book
suppose that there are two 2 candidates ie jones and johns in the upcoming presidential electionnbspsara notes that she
human resource consulting hrc surveyed a random sample of 80 twin cities construction companies to find information on
random sample of 60 twin cities construction companies to find the information on the costs of their health care plans
a a news report stated that 65 of the vehicles sold nationally were suvs a random sample of 100 vehicles sold in the
a developmental psychologist hypothesized that children who are reared in families where more than one language is
a company produces packets of soap powder labeled giant size 30 oz the actual weight of soap powder in such a box has a
q1 a researcher was comparing several groups of male subjects to examine the effect of diet on mean bmi change
q1 a chi-square tes if one variable is classified into 4 categories and the other variable is classified into 2
10nbsp5nbsp9nbsp10nbsp11nbsp6nbsp8nbsp6nbsp8nbsp5nbsp9nbsp9nbsp7nbsp10nbsp8nbsp5nbsp12amounts arenbspnormally
as part of an industrial training program some trainees are instructed by method a which is straight teaching-machine
xthe number of people who answer a question correct when 87 people are asked and the chance of getting the correct
at a large public university gpas are normally distributed if the mean gpa is 290 and the populationnbspstandard
question onea a factory manager claims that workers at plant a are faster than those at plant b to test the claim a