Find the Value of the Constant K So That the Given

question 443

Multiple Choice

Find the value of the constant k so that the given function in a probability density function for a random variable over the
specified interval.
- $f ( x ) = k ^ { x }$ over $[ 0,20 ]$

• A) \(\frac { 1 } { \mathrm { e } ^ { 20 } - 1 }\)
• B) \(\frac { 1 } { \mathrm { e } ^ { 20 } + 1 }\)
• C) \(\mathrm { e } ^ { 20 } - 1\)
• D) \(\frac { 2 } { \mathrm { e } ^ { 20 } }\)

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