The table shows the performance of a selection of 109 stocks after one year. (Take S to be the set of all stocks represented in the table. If a stock stayed within 20% of its original value, it is classified as "unchanged".) Companies Pharmaceutical Electronic Internet P E I Total Increased 13 1 16 30 V Unchanged 35 14 49 Decreased 13 1 16 30 D Total 61 2 46 109 Compute n(P U N'). What does this number represent? O n(P U N') is the number of stocks that were either pharmaceutical stocks, or were unchanged after a year (or both). O n(P U N') is the number of stocks that were not pharmaceutical stocks and were unchanged after a year. O n(P U N') is the number of stocks that were pharmaceutical stocks and were not unchanged after a year. O n(P U N') is the number of stocks that were either pharmaceutical stocks, or were not unchanged after a year (or both). O n(P U N') is the number of stocks that were either not pharmaceutical stocks, or were not unchanged after a year (or both).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
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Author:Carter
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Chapter10: Statistics
Section10.1: Measures Of Center
Problem 14PPS
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The table shows the performance of a selection of 109 stocks after one year. (Take S to be the set of all stocks represented
in the table. If a stock stayed within 20% of its original value, it is classified as "unchanged".)
Companies
Pharmaceutical
Electronic
Internet
E
I
Total
Increased
13
1
16
30
V
Unchanged
35
14
49
N
Decreased
13
1
16
30
D
Total
61
2
46
109
Compute n(P U N).
What does this number represent?
O n(PU N') is the number of stocks that were either pharmaceutical stocks, or were unchanged after a year (or both).
O n(PU N') is the number of stocks that were not pharmaceutical stocks and were unchanged after a year.
O n(P U N') is the number of stocks that were pharmaceutical stocks and were not unchanged after a year.
O n(PU N') is the number of stocks that were either pharmaceutical stocks, or were not unchanged after a year (or
both).
O n(P U N') is the number of stocks that were either not pharmaceutical stocks, or were not unchanged after a year (or
both).
Transcribed Image Text:The table shows the performance of a selection of 109 stocks after one year. (Take S to be the set of all stocks represented in the table. If a stock stayed within 20% of its original value, it is classified as "unchanged".) Companies Pharmaceutical Electronic Internet E I Total Increased 13 1 16 30 V Unchanged 35 14 49 N Decreased 13 1 16 30 D Total 61 2 46 109 Compute n(P U N). What does this number represent? O n(PU N') is the number of stocks that were either pharmaceutical stocks, or were unchanged after a year (or both). O n(PU N') is the number of stocks that were not pharmaceutical stocks and were unchanged after a year. O n(P U N') is the number of stocks that were pharmaceutical stocks and were not unchanged after a year. O n(PU N') is the number of stocks that were either pharmaceutical stocks, or were not unchanged after a year (or both). O n(P U N') is the number of stocks that were either not pharmaceutical stocks, or were not unchanged after a year (or both).
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