The Sound Level of a Dog's Bark Is 50 DB

question 68

Multiple Choice

The sound level of a dog's bark is 50 dB.The intensity of a rock concert is 10,000 times that of the dog's bark.What is the sound level of the rock concert?

• A)10,050 dB
• B)500,000 dB
• C)90 dB
• D)2000 dB
• E)54 dB

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Definitions:

Covariance

A measure indicating the extent to which two variables change in tandem.

Variances

Statistical measures that represent the extent to which a set of numbers is spread out from their average value.

Portfolio

A grouping of investment tools like equities, bonds, raw goods, actual cash, and assets similar to cash, which also comprises mutual funds and ETFs.

Joint Probability Distribution

A mathematical description of the likelihood of two events occurring together and at the same point in time.