Stats 13 Lab 3 and 4

# Stats 13 Lab 3 and 4 - Grace Chen Statistics 13/2A...

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Unformatted text preview: Grace Chen Statistics 13/2A Professor Christou February 14, 2008 SOCR Lab Exercises Lab 3: Exercise 1 • a. X ~ b(10, .5) o P(X=3)=0.1172 o EX=5 o Sd(X)=1.5811 QuickTimee and a TIFF (Uncompressed) decompressor are needed to see this picture. • b. X ~ b(10, .1) o P(1<=X<=3)=.6385 QuickTimee and a TIFF (Uncompressed) decompressor are needed to see this picture. • c. X ~ b(10, .9) o P(5<X<8)=.0686 o P(X<8)=.070191 o P(X<=7)=.070191 o P(X=>9)=.736099 QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. • d. X ~ b(30, .1) o P(X>2)=.588649 QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. Exercise 2: Comparing Geometric Distributions QuickTime and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTimeI and a T¡FF (Uncompressed) decompressor are needed to see this picture. The geometric distributions at p=0.2 and p=0.7 are both skew to the right. The mean gets smaller as p increases. For a larger p, the distribution “dies” faster compared to the small p, with its as p increases....
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Stats 13 Lab 3 and 4 - Grace Chen Statistics 13/2A...

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