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At a certain construction site, the probability of an accident on any given day is 0.005, and the accidents that occur are independent of each other. What is the probability that, in any given period of 40 days, there will be an accident on one day? What is the probability that there are at most 3 days with an accident? Use
(a) the binomial distribution and (b) the Poisson distribution to solve this problem. Compare your answers.
Given this information, what would sampling error be if sample including seven values in top row were used to calculate sample mean?
q1. records on a fleet of trucks reveal that the average life of a set of spark plugs is normally distributed with a
Doctors nationally believe that 68% of a certain type of operation are successful. In a particular hospital 47 of these operations were observed and 37 of them were successful. At a = 0.05 is this hospital's success rate different from the nationa..
protein are chains of molecules chosen with repetition from some 20 different amino acids. in a living cell proteins
q1 a doctor wants to know if there is a relationship between a fathers weight and his first newborn sons weight.
the following list is a sampling of the costs of various statistics textbooks used at several colleges. give the upper
If this estimate is correct, what is the probability mass function of the number of customers that will provide useful data?
On the basis of these results, do you think retailers and consumers have a right to complain to the manufacturers? Why?
The original simple form of the Connecticut state lottery (ignoring a few gimmicks) awarded the following prizes for each 100,000 tickets sold. The winners were chosen by drawing tickets at random. If you hold one ticket in this lottery, what is y..
what results in your departments seem to be correlated or related to other activities? how could you verify this?
Find a 95% confidence interval for the long-run proportion of new product placements?
damien is 68 inches tall. use the equation of the regression-line exactly as given in the first question to predict the
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