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Assume X~f(x;θ), 0 < θ < 1 where f(x;θ)=(1-θ)θ^(x-1), for x= 1,2,3,4,...a) Derive a conservative one-sided upper 95% confidence interval for θ if x=4 is observed.b) Derive a conservative (equal tailed) two-sided 95% confidence interval for θ if x=4 is observed.
Suppose that the number of accidents occurring in an industrial plant is described by a Poisson distribution with an average of one accident per month. Let x denote the time (in months) between successive accidents.a Find the probability that the ..
We wish to create this mean value interval for selling price with 95% confidence level. Find out the best point estimate (average) for selling price. Critical t-value(s) associated with 95% confidence level.
Illustrate that probability distribution of X satisfies properties of a discrete probability distribution.
The mean number of flaws per 100 m of material produced on a certain machine at Blanktown Fabrics is 2. If flaws occur randomly, find the probability that in 50 m of material there will be less than 2 flaws.
Compute mean, standard deviation, coefficient of variation and 5 key percentiles for these data.
If the company's report is correct, what is the probability that the average balance of an account in the sample is $383 or less?
Using the 0.10 level of significance, is there evidence that the mean shopping time at the local supermarket is different from the claimed value of 22 minutes?
At the .05 level of significance, is there evidence of a difference in variability in the shipping time between the two outlets? What decision should the carpet manufacturer make? Please provide step by step solution.
The shop wants a minimum of 60 man-years experience and wishes to maximize productivity. What machinists should they hire?
Find out the expected shape of distribution of sample mean?
A location along a 500 foot assembly line from which to observe the work habits of the workers on the line. What is the probability that the point she selects: is within 25 feet of the end of the line.
Conduct a two-sample test of means. A study by a bank compared the average savings of customers who were depositors for three years or less with those who had been depositors for more than three years.
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