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75 numbers are rounded off to the nearest integer and then summed. If the individual round-off error are uniformly distributed over (-.5, .5) what is the probability that the resultant sum differs from the exact sum by more than 5?
a company purchases shipments of machine components and uses this acceptance sampling plan. randomly select and test 20
The number of computer interruptions per day at a plan
assume 70 of drivers are careful and 30 are reckless.assume further that a careful driver has a 0.1 probability of
customers arrive at the atm at the rate of 12 customers per hour and spend 2 minutes on average on all the
Find the average age at which people will experience their first cardiac incident, given that 17% of all initial cardiac incident victims are younger than 50. Please, interpret the result.
BMI in children is approximately normally distributed with a mean of 24.5 and a standard deviation of 6.2. A BMI between 25 and 30 is considered overweight. What proportion of children are overweight?
City government has collected the following data on annual sales tax collections and new car registrations: Determine the least squares regression equation.
an experiment consists of selecting a student body president vice president and a treasurer. all undergraduate
sketch the area corresponding to the most extreme 1 of the standard normal distribution using the normal curve. find
She surveys 100 randomly selected families and finds the mean income to be $96,321 with a standard deviation of $9555.With a0.05, is she correct?
What is the purpose of a post-hoc test with analysis of variance? What is probabilistic equivalence? Why is it important?
a high school decides to add a new course that prepares randomly selected seniors to take a certain standardized test
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