An electronics company polled 300 random people to find out whether they own cell phones and laptops. The results are shown in the table.
A 4-column table with 3 rows. The first column has no label with entries laptop, no laptop, total. The second column is labeled cell phone with entries 82, 159, 241. The third column is labeled no cell phone with entries 11, a, 59. The fourth column is labeled total with entries b, 207, 300.
Use the table to complete the statements.
The cell labeled a is a .
The cell labeled b is a .
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Answers
Given :
- CELL PHONE NO CELL PHONE TOTAL
LAPTOP 82 11 b
NO LAPTOP 159 a 207
TOTAL 241 59 300
To Find : Value of a and b
Solution:
- CELL PHONE NO CELL PHONE TOTAL
LAPTOP 82 11 b
NO LAPTOP 159 a 207
TOTAL 241 59 300
b = 82 + 11 = 93
or b + 207 = 300
=> b = 93
Hence Value of b is 93
11 + a = 59 => a = 48
or 159 + a = 207 => a = 48
Value of a is 48
- CELL PHONE NO CELL PHONE TOTAL
LAPTOP 82 11 93
NO LAPTOP 159 48 207
TOTAL 241 59 300
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Answer:
CELL PHONE NO CELL PHONE TOTAL
LAPTOP 82 11 b
NO LAPTOP 159 a 207
TOTAL 241 59 300
To Find : Value of a and b
Solution:
- CELL PHONE NO CELL PHONE TOTAL
LAPTOP 82 11 b
NO LAPTOP 159 a 207
TOTAL 241 59 300
b = 82 + 11 = 93
or b + 207 = 300
=> b = 93
Hence Value of b is 93
11 + a = 59 => a = 48
or 159 + a = 207 => a = 48
Value of a is 48
- CELL PHONE NO CELL PHONE TOTAL
LAPTOP 82 11 93
NO LAPTOP 159 48 207
TOTAL 241 59 300
Learn More:
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brainly.in/question/9416246
Macy was asked to compare the two ratios 4:5 and 19 to 30. Her ...
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Step-by-step explanation: