Chris Has Determined That the Probability of Earning a 95

question 50

Multiple Choice

Chris has determined that the probability of earning a 95 on the next economics test is 10%,the probability of earning an 85 is 40%,and the probability of earning a 75 is 50%.
Chris's expected score on this test can be determined by solving

• A)(.33)(95)+ (.33)(85)+ (.33)(75).
• B)(10)(95)+ (40)(80)+ (50)(70).
• C)(.1)(95)+ (.4)(85)+ (.5)(75).
• D)(95 + 85 + 75)/3.

Understand and compute ordinary simple interest for loans using a 360-day year.

Calculate the total repayment amount (principal + interest) for short-term loans.

Estimate interest by rounding the principal to the nearest hundred dollars and using shortcuts for interest calculation.

Determine the principal amount or rate given other loan terms.

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Definitions:

Water Area

Water area refers to the part of the Earth's surface covered by lakes, rivers, oceans, and other bodies of water.

Urban Areas

Regions characterized by high population density and vast human features in comparison to areas surrounding them.

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A global conflict that lasted from 1939 to 1945, involving most of the world's nations, including all of the great powers, organized into two opposing military alliances.

Urban Sprawl

The uncontrolled expansion of urban areas into the surrounding countryside, often characterized by low-density housing and increased reliance on automobiles.