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# WA3 - Robert E Goode Thomas Edison State College...

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Robert E Goode Thomas Edison State College STA-201-OL010 Mentor: Steve Stutz Date: 09/25/11 Writing Assignment #3 Exercise 4.1 (4.14, 4.20) a. number of murder victims = 10,810 probability of victims between 40 – 44 years old = 1152/10810 = .107 = 10.7% b. Victims 25 years and older = (2077+1617+1356+1152+864+574+360)/10810 = .740 = 74% c. Victims between 45 – 59 years old = (864+574+360)/10810 = .166 = 16.6% d. Victims under 30 years old and over 54 years old = (2810+2077+360)/10810 = .485 = 48.5% 4.20 a. Exactly two of the three tosses come up heads = 3/8 = .375 = 37.5% b. Last two tosses come up tails = 2/8 = .25 = 25% c. All three tosses come up the same = 2/8 = .25 = 25% d. second toss comes up heads = 4/8 = .50 = 50% Exercise 4.2 (4.36, 4.46) 4.36 a. HHTT, HTHT, HTTH, THHT, THTH, TTHH b. TTHH, TTHT, TTTH, TTTT c. HHHH, HHHT, HHTH, HHTT, HTHH, HTHT, HTTH, HTTT

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d. HHHH, TTTT 4.46 a. In part A we are looking for all respondents that would not contribute anything to protecting the environment, which is 85 people. b. In part B we are looking for all respondents that will contribute at least \$101 and contribute more than \$50 dollars, which will include all respondents willing to contribute \$101 dollars or more, which are 44 respondents. c. In part C we are looking for all respondents that are willing to contribute between \$1 - \$200 dollars or at least \$101, which are 289 respondents.
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WA3 - Robert E Goode Thomas Edison State College...

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