ADMS 2320 Study Guide - Midterm Guide: Calcite, Standard Deviation, Sampling Distribution

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The to supplies company buys 20 calculators from a sullier. The probability that a randomly chosen calculator is defective is 3%. Find the probability the company receives more than 1 but less than6 defective calculators: suppose again that the defective probability changes from 3% to 5%. Find the probability the company receives at least 16 good calculators. Dean and other faculty members in professional schools often monitor how well the graduates of their programs fare in the job market. Information about the type of jobs and their salaries may provide useful information about the success of a program. A second-year student in the business school who has just completed his statistics course would like to check whether the claim about the mean is correct. If the dea(cid:374)"s (cid:272)lai(cid:373) is justified, what is the pro(cid:271)a(cid:271)ility of observing a sample a mean as low as this result: suppose again that the sample mean is .

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