Construct Probability Histograms
-A Baseball Player Is Asked to Swing $\begin{array}{|c|c|c|c|c|c|}\hline x & 0 & 1 & 2 & 3 & 4 \\\hline P(x) & 0.02 & 0.07 & 0.22 & 0.27 & 0.42 \\\hline\end{array}$

question 115

Multiple Choice

Construct Probability Histograms
-A baseball player is asked to swing at pitches in sets of four. The player swings at 100 sets of 4 pitches. The probability distribution for making a particular number of hits is given below. Determine the mean for this discrete probability distribution.
$\begin{array}{|c|c|c|c|c|c|}\hline x & 0 & 1 & 2 & 3 & 4 \\\hline P(x) & 0.02 & 0.07 & 0.22 & 0.27 & 0.42 \\\hline\end{array}$

• A) 3
• B) 4
• C) 2
• D) \(3.5\)

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Definitions:

Aggregate Demand

The relationship between the economy’s price level and aggregate output demanded, with other things constant.

Equilibrium Output

The level of output at which the quantity of goods produced equals the quantity of goods demanded.

Price Level

A measure of the average price of goods and services in an economy, which can indicate the inflation rate or cost of living.

Aggregate Output

The total value of goods and services produced in an economy over a specific period, measuring the economy's overall production.