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A 4-column table with 3 rows. The first column has no label with entries before 10 p m, after 10 p m, total. The second column is labeled 16 years old with entries 0.9, a, 1.0. The third column is labeled 17 years old with entries b, 0.15, 1.0. The fourth column is labeled total with entries 0.88, 0.12, 1.0 Determine the values of the letters to complete the conditional relative frequency table by column. a = b =

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Answer:

The answer is A=0.1 and B=0.85

Step-by-step explanation:

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MrRoyal

The values of the letters to complete the conditional relative frequency table by column are a = 0.1 and b = 0.85

How to determine the values of the letters?

The table is given as:

                          16 years      17 years     Total

Before 10 pm       0.9                  b          0.88

After 10 pm           a                  0.15          0.12

Total                     1.0                  1.0           1.0

To calculate the value of a, we make use of the second column.

This is represented as:

0.9 + a = 1.0

Subtract 0.9 from both ides

a = 0.1

To calculate the value of b, we make use of the third column.

This is represented as:

b + 0.15 = 1.0

Subtract 0.15 from both ides

b = 0.85

Hence, the values of the letters to complete the conditional relative frequency table by column are a = 0.1 and b = 0.85

Read more about relative frequency table at:

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