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Use the binomial distribution with n = 20, π = .5 to compare accuracy of the normal approximation to the binomial.
a. Compute the exact probabilities and corresponding normal approximations for y = 5.
b. The normal approximation can be improved slightly by taking P(y = 4.5). Why should this help? Compare your results.
c. Compute the exact probabilities and corresponding normal approximations with the continuity correction for P(8 y 14).
A client has an out-of-control system and a recommendation has been made to hire an internal accountant.
Estimate the value of torque required when the diameter is 16 mm. Calculate the coefficient of correlation between these variables and comment on your prediction obtained in (c).
Let us first focus on one day. What is the probability that on this given day, the system works with no downtime, i.e. what is the probability that zero computers crash?
Would this be a T-value distribution? Can you take me through the steps to determine upper and lower limits of a 95% confidence interval?
the quality of evidence in support of a recommendation depends on which of the following?a. the p values of the
Let X be a normal distributed random Variable with u=100 and o=10. the probability that X is between 70 and 100 is:
Find the equilibrium bidding strategies for the first- and second-price auctions. Compute the expected revenue associated with each auction format.
consider the series-parallel networks depicted below. each system comprises four components. the time-to-failure for
consumer reports provided extensive testing and ratings for more than 100 hdtvs. an overall score based primarily on
a study of on-time performance for an airline shows that 20 of their flights take off late. seventy percent of flights
Create the spreadsheet simulation. Use 500 simulation trials to reply the question: What is the mean profit for the simulation?
The population mean and population standard deviation of the chest circumferences are 39.85 and 2.07, respectively. Identify the normal curve that should be used for the chest circumferences.
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