Graph by hand the standard normal distribution by using the formula derived in Exercise 57. Let π ≈ 3.14 and e ≈ 2.718. Use X values of – 2, – 1.5, – 1, – 0.5, 0, 0.5, 1, 1.5, and 2. (Use a calculator to compute the y values.)
Answer to relevant QuestionsBetween z = 0 and z = 1.77 Find the area under the standard normal distribution curve. The mean serum cholesterol level of a large population of overweight children is 220 milligrams per deciliter (mg/dl), and the standard deviation is 16.3 mg/dl. If a random sample of 35 overweight children is selected, find ...The average yearly Medicare Hospital Insurance benefit per person was $4064 in a recent year. If the benefits are normally distributed with a standard deviation of $460, find the probability that the mean benefit for a ...In a study of the life expectancy of 500 people in a certain geographic region, the mean age at death was 72.0 years, and the standard deviation was 5.3 years. If a sample of 50 people from this region is selected, find the ...The average credit card debt for college seniors is $3262. If the debt is normally distributed with a standard deviation of $1100, find these probabilities. a. That the senior owes at least $1000 b. That the senior owes ...
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