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An electrician applied for a job in Long Harbour, Muskrat Falls, & Voisey's Bay. According to a local electrical contractor, the probability of getting a job at Long Harbour is 75%, inMuskrat Falls it's 42% and in Voisey's Bay it's 88%. Calculate the probability of:
a) being offered a job in all three locations.b) not being offered a job at all.c) being offered a job in "only one" location.d) being offered a job in "at least" one location.
a cola-dispensing machine is set to dispense a mean of 2.026 liters into a container labeled 2 liters. actual
Record the type of research design used. True lab experiment, quasi-experiment, field experiment, or correlation design.
a skeptical paranormal researcher claims the proportion of americans that have seen a ufo p is less than 1 in every one
for a population with a mean of micro 70 a score of x 62 corresponds to z -2.00. what is the population standard
In the past, of all the students enrolled in "Basic Business Statistics" 10% earned A's 20% earned B's, 30% earned C's, 20% earned D's and the rest either failed or withdrew from the course.
When considering the symmetric approximation and Monte Carlo risk approaches. Both make the assumption that the total cost distribution is normal.
A group of 12 patients are given the medicine. If the claim is true, what is the probability that 8 have relief within a few minutes?
the central limit theorem says that when a simple sample of size n is drawn from any population with mean ? and
what are the expected value and variance of the following probability distribution?random variable
2. The staff at a local psychiatric facility wants to determine whether implementing a No Smoking rule significantly decreases the length of stay of inpatients.
Construct the indicated confidence intervals for the population variance : c=0.99, S2 = 0.64, n=7 - a sample of 16 residents has a mean household income of $44,400 and a standard deviation of $8,600. At a=0.1, can you support the personnel director..
A random sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. From past information, it is known that the standard deviation of the population is 22 mph.
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