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HW5 - probability that the total amount in a random sample...

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WEEK 5 Lesson 4.2 Exercises 4, 6 Read Unit 5. Lesson 5.1 Exercises 1-5 Lesson 5.2 Exercises 1, 3 Lesson 5.3 Exercises 3, 4, 5, 6 Unit 5 self-assessment quiz Additional Exercises (ask your TA for help or to check your work) 1. A wholesale distributor has found that the amount of a customer’s order is a normal random variable with a mean of $200 and a standard deviation of $50. What is the
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Unformatted text preview: probability that the total amount in a random sample of 20 orders is greater than $4500? 2. A random sample of 100 observations is to be drawn from a population with a mean of 40 and a standard deviation of 25. Find the probability that the mean of the sample will exceed 45....
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