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the weights of ice cream cartons produced by a manufacturer are normally distributed with a mean weight of 10 ounces
the scores on an exam have a normal distribution with mean 59 and standard deviation 12 students with scores in the top
1 jims pool is the shape of a rectangle the length is 6 m less than three times the width and the perimeter is 68 m
find the present value of a 10 year annuity-immediate with quarterly payments in which the first payment is 200 the
a production line produces rulers that are supposed to be 12 inches long a sample of 49 of the rulers had a mean of 121
the results of the october 3rd vote on the emergency stabilization act of 2008 are shown in the table belowregion yes
the physical plant at the main campus of a large state university receives daily requests to replace florescent light
from the mail service with immediate delivery of the postal service in the united states 90 is received by the
a design effect for the mean of a variable 1144 will the variance be under clustering be smaller or bigger than under
we wish to measure the average prevalence of a chemical in the population the measurement is done by a blood test we
we have the following data sample mean x 426 sample deviation s 2 number of samples n 33 and the null hypothesis is mu0
1 suppose there are 1885 players in major league baseball and 55 of these players have college degrees if you select a
1 the tensile strength of a certain type of wire is normally distributed with a mean of 985 and a standard deviation of
question acompany supplies pins in bulk to a customer the company uses an automatic lathe to produce the pins factors
sixteen automobiles are sampled to measure luggage capacity the results yield an average of 123 cubic feet with a
for a normal distribution with a mean of 222 and a standard deviation of 31 what is the z value distance from the mean
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
question a travel agency believes that the number of people who sign up for tours to hawaii during the christmas-new
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
a young saleswoman in a company is interested in determining brand loyalty for her companynbspnbspshe looks at two
question a graduating student keeps applying for jobs until she has three offers the probability of getting an offer at