A Company Is Studying the Number of Daily Debit Card

question 8

Essay

A company is studying the number of daily debit card purchases. There were 20 purchases and the probability of a debit card purchase is 0.5. Of the 20 purchases, what is the expected value of the number of debit card purchases?

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Definitions:

Contraceptive Use

Involves the application of methods or devices to prevent pregnancy as part of sexual and reproductive health.

Condoms

Barrier devices commonly used during sexual intercourse to reduce the risk of sexually transmitted infections and prevent pregnancy.

Protect from AIDS

Strategies and practices aimed at preventing the spread of the Human Immunodeficiency Virus (HIV) and managing its impact on the infected and affected populations.

Sexual Norms

Expectations and rules set by a society regarding sexual behavior, including what is considered appropriate and acceptable.