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You are an accountant who is performing the annual audit of the accounts at Hookem, Billem, and Soakem, a large cellular telephone company. From past
You are an accountant who is performing the annual audit of the accounts at Hookem, Billem, and Soakem, a large cellular telephone company. From past experience it is known that 10% of the accounts at Hookem, Billem, and Soakem have errors. Use this Excel file geometric probabilities 2 to assist you with the geometric probability calculations required to answer the questions below. Question 1. What is the probability that the first account with an error is the 7th audited account? .059 x (use 3 decimal places in your answer) Question 2. What is the expected number of accounts that you will audit until you find the first error? (use 2 decimal places in your answer) Question 3. What is the probability that the first account with an error is among the first 7 accounts that you check? (use 3 decimal places in your answer)
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