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Suppose the counts recorded by a Geiger counter follow a Poisson process with an average of three counts per minute.
(a) What is the probability that there are no counts in a 30-second interval ?
(b) Determine x, such that the probability that at least one count occurs before time x minutes is 0.95.
(c) Approximte the propability using normal approximations of 5 counts in 1 hr interval
Metro Real Estate Association is preparing a pamphlet that they feel might be of interest to prospective homebuyers in the Middletown and Brockton areas of the city.
Wwhat can we say about the shape of the distribution of the sample mean? What is the standard error of the mean?
For this assignment employ the data below which was taken from the previous online class. Find out if the data is qualitative or quantitative, continuous or discrete, and determine the level of measurement.
question a furniture store expects to sell 640 sofas at a steady rate next year. the manager of the store plans to
What is the probability that the sample of 16 pencil leads will have an average MIR between 6400 and 6550 psi? What assumptions did you make when answering the previous questions?
The sample data are summarized by the statistics n = 27, x = 4.6 years, s- 1.9 years.
The mean annual salary paid to all employees in a company was EURO 30.000. The mean annual salaries paid to male and female employees of the company were EURO 32.000, and 24.000, respectively. Determine the percentage of males and females employed..
what is the major difference between the dominance criterion and other decision-making criteria under
This question has to do with power. Suppose in a clinical study you have two groups with 10 subjcects in each group. No significance at the .05 level is found but there is a medium effect size, which is judged to be of practical significance. What sh..
Find the probability that a randomly selected x-value from the distribution is in the given interval. Between 29 and 37.
The ________ is the probability of observing a sample value as extreme as, or more extreme than the value observed, given that the null hypothesis is true.
If µ = µ1 = µ2 = µ3 = 60 and σ21 = σ22 = σ23 = 15, calculate the probability that the total time to finish the three repair tasks is at most 200 minutes.
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