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Continuous Random Variables

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Presentation on theme: "Continuous Random Variables"— Presentation transcript:

1 Continuous Random Variables
Chapter 5 Continuous Random Variables

2 Figure SIA5.1 Target placement on gun range
Copyright © 2013 Pearson Education, Inc.. All rights reserved.

3 Continuous Probability Distributions
5.1 Continuous Probability Distributions

4 Figure 5.1 A probability f(x) for a continuous random variable x
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5 Definition Copyright © 2013 Pearson Education, Inc.. All rights reserved.

6 Figure 5.2 Density Function for Friction Coefficient, Example 5.1
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7 The Uniform Distribution
5.2 The Uniform Distribution

8 Figure 5.3 The uniform probability distribution
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9 Definition Copyright © 2013 Pearson Education, Inc.. All rights reserved.

10 Figure 5.4 Distribution for x in Example 5.2
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11 Figure 5. 5 Probability that car breaks down within 1
Figure 5.5 Probability that car breaks down within 1.5 months of purchase Copyright © 2013 Pearson Education, Inc.. All rights reserved.

12 The Normal Distribution
5.3 The Normal Distribution

13 Figure 5.6 A normal probability distribution
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14 Figure 5.7 Several normal distributions with different means and Standard deviations
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15 Procedure Copyright © 2013 Pearson Education, Inc.. All rights reserved.

16 Figure 5.8 Several normal distributions: m = 0, s = 1
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17 Definition Copyright © 2013 Pearson Education, Inc.. All rights reserved.

18 Table 5.1 Copyright © 2013 Pearson Education, Inc.. All rights reserved.

19 Figure 5.9 Areas under the standard normal curve for Example 5.3
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20 Figure 5.10 Finding z =1.33 in the standard normal table, Example 5.3
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21 Figure 5.11 Areas under the standard normal curve for Example 5.4
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22 Figure 5.12 Areas under the standard normal curve for Example 5.5
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23 Figure 5.13 Areas under the standard normal curve for Example 5.6
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24 Definition Copyright © 2013 Pearson Education, Inc.. All rights reserved.

25 Figure 5.14 Areas under the normal curve for Example 5.7
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26 Procedure Copyright © 2013 Pearson Education, Inc.. All rights reserved.

27 Figure 5.15 Area under the normal curve for Example 5.8
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28 Figure 5.16 Area under the standard normal curve for Example 5.9
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29 Figure 5.17 Areas under the standard normal curve for Example 5.10
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30 Figure 5.18 Area under the normal curve for Example 5.11
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31 Figure SIA5.2 MINITAB worksheet with cumulative normal probabilities
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32 Descriptive Methods for Assessing Normality
5.4 Descriptive Methods for Assessing Normality

33 Procedure Copyright © 2013 Pearson Education, Inc.. All rights reserved.

34 Definition Copyright © 2013 Pearson Education, Inc.. All rights reserved.

35 Table 5.2 Copyright © 2013 Pearson Education, Inc.. All rights reserved.

36 Figure 5.19a MINITAB histogram for gas mileage data
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37 Figure 5.19b MINITAB Descriptive statistics for gas mileage data
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38 Figure 5.19c SPSS normal probability plot for gas mileage data
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39 Table 5.3 Copyright © 2013 Pearson Education, Inc.. All rights reserved.

40 Table SIA5.1 Copyright © 2013 Pearson Education, Inc.. All rights reserved.

41 Figure SIA5.3a MINITAB histogram for the horizontal hit measurements when s = 1
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42 Figure SIA5.3b MINITAB histogram for the horizontal hit measurements when s = 2
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43 Figure SIA5.3c MINITAB histogram for the horizontal hit measurements when s = 4
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44 5.5 Approximating a Binomial Distribution with a Normal Distribution (Optional)

45 Figure 5. 20 Binomial distribution for n = 20, p =
Figure Binomial distribution for n = 20, p = .6 and normal distribution with m = 12, s = 2.2 Copyright © 2013 Pearson Education, Inc.. All rights reserved.

46 Figure 5.21 Rule of thumb for normal approximation to binomial probabilities
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47 Figure 5.22 Normal approximation to the binomial distribution with n = 200, p = .06
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48 Figure 5.23 Standard normal distribution
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49 Procedure Copyright © 2013 Pearson Education, Inc.. All rights reserved.

50 The Exponential Distribution (Optional)
5.6 The Exponential Distribution (Optional)

51 Definition Copyright © 2013 Pearson Education, Inc.. All rights reserved.

52 Figure 5.25 Exponential distributions
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53 Procedure Copyright © 2013 Pearson Education, Inc.. All rights reserved.

54 Figure 5.27 Area to the right of a = 5 for Example 5.14
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55 Figure 5.28 Area to the left of a = 5 for Example 5.15
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56 Figure 5.29 Area in the interval for Example 5.15
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