TradeLine, Is an Online Stock-Trading Service

question 89

Multiple Choice

TradeLine, is an online stock-trading service.To estimate the average number of trades made last month by TradeLine's clients, you take a simple random of 250 clients and find the average number of trades in the sample is 45.8, with a sample standard deviation of 12.3.Show the appropriate 95% confidence interval for the population of TradeLine's clients.Report the upper bound for your interval.

• A)44.83
• B)47.32
• C)52.36
• D)48.72
• E)50.33

---

Definitions:

Easy-Going

Describes a person who is relaxed, tolerant, and not easily upset or stressed.

Inferiority Feelings

Emotions characterized by a lack of self-worth or a perception of being less valuable or capable in comparison to others.

Later-Borns

Individuals born later in the birth order of a family, who may experience different developmental dynamics than firstborns.

More Obedient

Describes individuals or behaviors that show a greater compliance or submission to rules, laws, or authority figures.