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Resistors labeled 100 Ω have true resistances that are between 80 Ω and 120 Ω. Let X be the mass of a randomly chosen resistor. The probability density
- a. What proportion of resistors have resistances less than 90 Ω?
- b. Find the
mean resistance. - c. Find the standard deviation of the resistances.
- d. Find the cumulative distribution function of the resistances.
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