The Time Between Failures for an Electrical Appliance Is Exponentially

question 5

Multiple Choice

The time between failures for an electrical appliance is exponentially distributed with a mean of 25 months. What is the probability that the next failure will not occur before 30 months have elapsed?

• A)not in excess of 0.2
• B)in excess of 0.2 but not in excess of 0.3
• C)in excess of 0.3 but not in excess of 0.4
• D)in excess of 0.4 but not in excess of 0.6
• E)in excess of 0.6

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Definitions:

Cross-race Identifications

The phenomenon where individuals are less accurate in recognizing faces of people from races other than their own.

Misidentifications

Misidentifications involve the incorrect recognition or identification of people, objects, or events, often occurring in psychological disorders.

Same-race Identifications

The phenomenon where individuals are more accurate in recognizing and distinguishing faces of their own racial or ethnic group than those of other groups.

Inaccuracies

Errors or mistakes in information or details.