In a Finance Class,the Final Grade Is Based on Three

question 26

Multiple Choice

In a finance class,the final grade is based on three tests. Historically,the instructor tells the class that the joint probability of scoring As on the first two tests is 0.5. A student assigns a probability of 0.9 that she will get an A on the first test. What is the probability that the student will score an A on the second test given that she scored an A on the first test?

• A)0.50
• B)0.95
• C)0.56
• D)0.90

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Definitions:

Native American Tribes

Indigenous peoples in the United States with distinct cultures, languages, and histories, recognized as sovereign nations by the federal government.

Windings

Coils of wire in electrical devices, such as motors and generators, that generate magnetic fields when current flows through them or induce current when they rotate in a magnetic field.

Voltages

The difference in electric potential between two points, expressed in volts.

Motors

Machines that convert electrical energy into mechanical energy, commonly used for driving machinery.