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# Let X equal the weight in grams of a 52-gram snack pack of candies. Assume that the ISBN: 9780321923271 41

## Solution for problem 7.1-4 Chapter 7.1

Probability and Statistical Inference | 9th Edition

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Problem 7.1-4

Let X equal the weight in grams of a 52-gram snack pack of candies. Assume that the distribution of X is N(, 4). A random sample of n = 10 observations of X yielded the following data: 55.95 56.54 57.58 55.13 57.48 56.06 59.93 58.30 52.57 58.46 (a) Give a point estimate for . (b) Find the endpoints for a 95% confidence interval for . (c) On the basis of these very limited data, what is the probability that an individual snack pack selected at random is filled with less than 52 grams of candy?

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Thursday, January 5 th Kim Gilbert Kimgilb@uga.edu TA Office Hours, Boyd Room 204 • Monday 11:15 am – 5:30 pm • Friday 11:15 am – 3:30 pm Case Study: Helper vs. Hinderer • If infants have no preference, then the outcome...

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##### ISBN: 9780321923271

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