In 42 of the 64 years from 1950 through 2014,the S& P 500 finished higher after the first five days of trading (in 2011 there was virtually no change). In 37 out of 42 years, the S&P 500 finished higher for the year. Is a good first week a good omen for the upcoming year? The following table gives the first-week and annual performance over this 64-year period. S&P 500's Annual Performance First week Higher Lower Total Higher 37 42 Lower 11 11 22 Total 48 16 64 If a year is selected at random, at is the probability that the S&P 500 finished lower for the year?
In 42 of the 64 years from 1950 through 2014,the S& P 500 finished higher after the first five days of trading (in 2011 there was virtually no change). In 37 out of 42 years, the S&P 500 finished higher for the year. Is a good first week a good omen for the upcoming year? The following table gives the first-week and annual performance over this 64-year period. S&P 500's Annual Performance First week Higher Lower Total Higher 37 42 Lower 11 11 22 Total 48 16 64 If a year is selected at random, at is the probability that the S&P 500 finished lower for the year?
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Transcribed Image Text:In 42 of the 64 years from 1950 through 2014,the S& P 500 finished higher after the first five days of trading
(in 2011 there was virtually no change). In 37 out of 42 years, the S&P 500 finished higher for the year. Is a
good first week a good omen for the upcoming year? The following table gives the first-week and annual
performance over this 64-year period.
S&P 500's Annual Performance
First week
Higher
Lower
Total
Higher
37
42
Lower
11
11
22
Total
48
16
64
If a year is selected at random,
at is the probability that the S&P 500 finished lower for the year?
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