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Suppose that 30% of the applicants for a certain industrial job possess advanced training in computer programming. Applicants are interviewed sequentially and are selected at random from the pool. Find the probability that the first applicant with advanced training in programming is found on the fifth interview.
Following are speeds of 40 cars clocked by radar on a particular road in a 35-mph zone on a particular afternoon; Make (a) a frequency table, (b) a histogram, and (c) a frequency polygon. Then describe the general shape of the distribution.
Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.
Refer to Table 9.3 to solve this problem. Determine and list the complements of both the marginal probabilities and the joint probabili- ties contained within Table 9.3.
1. the researchers surveyed more than 230 american male weight lifters ranging in age from 18 to 40 and found that 12 o
Imagine there are exactly m opportunities to cross safely by the time the nth shock occurs. What is the probability that the mth opportunity is a close call (that it occurs immediately before the nth shock).
deliverable length 2 - 3 pages in ms worddescribe a situation in your business or personal life that required research.
Perform a proper analysis. Describe your null and alternative hypothesis, report the p-value. What is your conclusion?
What is the average time that catalog customers must wait before their calls are transferred to the order clerk? (b) What is the average number of callers waiting to place an order?
statistics are tools which can hep business perform many business functions. please choose one of the following
A random variable X has the Pareto (α, θ) distribution (where α > 0, θ > 0) if F_X(x) = 1 - (θ/(θ+x))^α for x ≥ 0. For a fixed d > 0, let Y = X-d | X >d. Calculate F_Y(y) and EY.
a bar owner was observing how many drinks his clients had on a saturday night. a sample of 24 customers randomly
The maximum distance at which a highway sign can be read is determined for a sample of young people and a sample of older people. The mean distance is computed for each age group. What is the most appropriate null hypothesis about the means of the..
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