Suppose $x$ Is a Uniform Random Variable With $c = 20$ And $d = 90$

question 221

Multiple Choice

Suppose $x$ is a uniform random variable with $c = 20$ and $d = 90$ . Find the standard deviation of $x$ .

• A) \(\sigma = 31.75\)
• B) \(\sigma = 2.42\)
• C) \(\sigma = 3.03\)
• D) \(\sigma = 20.21\)

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Definitions:

Competitive Firm's Supply Curve

A graphical representation showing the quantity of goods a firm is willing and able to supply at each possible price, under the assumption of perfect competition.

Marginal Cost Curve

A curve depicting the change in the total cost of production when the output is increased by one more unit, essentially showing the cost of producing an additional unit.

Purely Competitive Market

A market structure characterized by many buyers and sellers, homogeneous products, and the absence of barriers to entry or exit.

Oligopolistic Market

A commercial structure distinguished by a select few corporations having considerable sway over the determination of market prices and the nature of competition.