The percentage, P, of U. S. voters who use punch cards or lever machines in national elections can be modeled by the formula: P = −2.5x + 63.1 where x is the number of years after 1994. In which years will fewer than 38.1% of U. S. voters use punch cards or lever machines?

From 2004 onwards, fewer than 38.1% of U.S. voters use punch cards or lever machines

Step-by-step explanation:

The percentage of U.S. voters who use punch cards or lever machines in national elections, in x years after 1994, is given by the following equation:

In which years will fewer than 38.1% of U.S. voters use punch cards or lever machines?

In x years after 1994 onwards.

x is found when P(x) = 38.1.

So

From 2004 onwards, fewer than 38.1% of U.S. voters use punch cards or lever machines

the data of the detroit pistons in numerical order from least to greatest is 0.30, 0.37, 0.55, 0.62, 0.69, 0.72, 0.73, 0.75, 0.77, 0.78, 0.80, 0.81, 0.81, 0.83, 0.84, 0.89

the data of the miami heat in numerical order from least to greatest is 0.50, 0.50, 0.56, 0.57, 0.67, 0.72, 0.72, 0.72, 0.75, 0.75, 0.76, 0.81, 0.82, 0.90, 1.00, 1.00

the detroit pistons median : 1.52

the miami heat median: 1.47

the iqr of this data is 0.05