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# View of /trunk/NationalProblemLibrary/UVA-Stat/setStat212-Homework04/stat212-HW04-08.pg

Tue Jul 3 21:36:52 2007 UTC (5 years, 10 months ago) by jjholt
File size: 1442 byte(s)
```Added stat problems.  Tags to be fixed soon.
```

```    1 ## DESCRIPTION
2 ##  Statistics: Probability
3 ## ENDDESCRIPTION
4
5 ## KEYWORDS('statistics', 'probability')
6 ## naw tagged this problem.
7
8 ## DBchapter('Probability')
9 ## DBsection()
10 ## Date('6/10/2005')
11 ## Author('Nolan A. Wages')
12 ## Institution('UVA')
13 ## TitleText1('Statistics for Management and Economics')
14 ## EditionText1('6')
15 ## AuthorText1('Keller, Warrack')
16 ## Section1()
17 ## Problem1()
18
19
20 DOCUMENT();        # This should be the first executable line in the problem.
21
23 "PG.pl",
24 "PGbasicmacros.pl",
25 "PGchoicemacros.pl",
27 "PGnumericalmacros.pl",
28 "PGstatisticsmacros.pl",
29 "PGauxiliaryFunctions.pl"
30 );
31
32
33
34
35 TEXT(beginproblem());
36 \$showPartialCorrectAnswers = 1;  # Change to 0 to shut off separate answer display.
38
39
40 \$b = random(20,30,1);
41 \$c = random(10,20,1);
42 \$e = .01*\$b;
43 \$f = .01*\$c;
44
45 BEGIN_TEXT
46 \$PAR
47 A financial analyst has determined that there is a \$b\$PERCENT
48 probability that a mutual fund will outperform the market over
49 a 1-year period provided that it outperforms the market the
50 previous year.  If only \$c\$PERCENT of mutual funds outperform
51 the market during any year, what is the probability that a
52 mutual fund will outperform the market 2 years in a row?
53 \$PAR
54 Probability = \{ans_rule(15)\}
55
56 \$BR
57
58 END_TEXT
59
60 &ANS(num_cmp(\$e*\$f));
61
62 ENDDOCUMENT();       # This should be the last executable line in the problem.
```