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a man travels 600km partly by train and partly by truck if he covers 120km by train and the rest by truck it takes him eight hours but if he
six men and eight boys can finish a piece of work in 14 days while eight men and twelve boys can do it in 10 days find the time taken by 1man
a 90 acid solution is mixed with a 97 acid solution to obtain 21 litres of a 95 solution findout the quantity of every solutions to get the resultant
the area of a rectangle gets decreased by 8 m2 if its length is decreased by 5 m and breadth increased by 3 m if we enhance the length by 3 m
if three times the larger of the two numbers is divided by the smaller then the quotient is 4 and remainder is 5 if 6 times the smaller is divided by
you recently started the paperwork to purchase your new home and you were just notified that you can move into the house in two weeks you decide to
suppose you are in the market for a new home and are interested in a new housing community under construction in a another citya the sales
a passenger jet took 3 hours to fly 1800 km in the direction of the jetstream the return trip against the jetstream took four hours what was the jets
f all the permutations of the letters of the word chalk are written in a dictionary the rank of this word will
use the simplex method to solve the following lp problem max z 107x1x22x3 subject
use the simplex method to solve the following lp problem max z 107x1x22x3 subject to
1 his favorite current carrot drink contain 40 but h eneeds add to 80 quarts wife brought his perfect drink
use the simplex method to solve the following lp problem max z 107x1 x2 2x3 subject to 14x1 x2 - 6x3 3x4 7 16x1 x2 - 6x3 lt
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