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a population forms a normal distribution with a mean of mu80 and a standard deviation of o15 for every samples compute the z-score for the sample
for a population with a mean of mu80 and a standard deviation of o12 find the z-score corresponding to each of the following samplesa m83
if the population standard deviation is o8 how large a sample is necessary to have a standard error that isa less than 4 pointsb less than 2
for a population with a mean of mu70 and a standard deviation of o20 how much error on average would you expect between the sample mean m and the
the distribution of sample means is not always a normal distribution under what circumstances is the distribution of sample means not
describe the distribution of sample means shapefor samples of n36 selected from a population with a mean of mu100 and a standard deviation of o12
use the concepts of sampling error and z-scores to explain the concept of distribution of sample
on a picnic outing 2 two-person teams are playing hide-and-seek there are four hiding locations a b c and d and the two peoples of the hiding team
an initial species population is y0 3000 at t0 the population starts to grow exponentially with a doubling time of 2 years mark the only correct
owner of a computer repair shop has daily revenue with mean 7200 and sd 1200 daily revenue for next 30 days will be monitored what is probability
physical fitness association 1 mile run it is known to have a normal distribution mean 450 sec sd 50 sec how many in the top 10 fastest runners need
survey 83 of community for a park randomly select 21 people if they do or do not want a park can you use normal distribution to approximate binomial
realtors estimate that 23 of homes purchased in 2004 were considered investment properties if a sample of 800 homes sold in 2004 is obtained what is
smith keeps track of poor work often on afternoon it is 5 if he checks 300 of 7500 instruments what is probability he will find less than 20
caterer verifies that 87 of people who sampled the food thought it was delicious a random sample of 144 out of population of 5000 taken the 144 are
consider the function fx 2x2 1 find the equation of the tangent to the graph of fx at x 2 note when calculatingf2 use first
the volume of grains in a silo at a particular time measured in hours is given by v t 4t3-t m3 find the rate of change of the volume of grains in
at rest the human heart beats once every second at the strongest part of the beat a persons blood pressure peaks at 120mmhg at the most relaxed part
the amount of particulate matter left in solution during a filtering process is given by the equation pn 5002-08n where n is the number of filtering
the population of a particular city is increasing at a rate proportional to its size it follows the function pt 1 ke01t where k is a constant and t
triangle treat is the page name i don3939t know the answer for it can someone give it to
suppose that the width of a rectangle is three feet shorter than length and that the perimeter of the rectangle is 86 feeta set up an
given that fxy 3xy - x2y - xy2 find all the points on the surface z fx ywhere local maxima local minima or saddles
find all the local maximum and minimum values and saddle points of the functionfx y x2 - xy y2 9x - 6y
describe and sketch the surfaces z y 1 and x 22 y z2