You Need to Buy Three Books for Your Finance Course

question 6

Multiple Choice

You need to buy three books for your finance course this semester.You estimate that there is 60% chance of that you can buy any one of the books cheaper online than in the bookstore.If you define "number of the finance books that will be cheaper online" as a random variable, which set of probabilities would be used to form the probability distribution for this random variable?

• A).064, .298, .422, .216
• B).064, .288, .432, .216
• C).064, .268, .452, .216
• D).064, .238, .482, .216
• E).238, .064, .216, .482

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Definitions:

PGP

Pretty Good Privacy, a data encryption and decryption computer program that provides cryptographic privacy and authentication for data communication. PGP is often used for securing emails.

Encryption

Encoding information or data to protect it against access by unauthorized individuals.

Public-key Encryption

An encryption method that uses a pair of keys, one for encrypting the message (public key) and one for decrypting it (private key).

VoIP

Voice over Internet Protocol, a technology that allows voice calls to be made over the internet, converting analog voice signals into digital data packets.