Find the Indicated Probability If We Randomly Select One of the Customers Represented in the Amount

question 53

Multiple Choice

Find the indicated probability.
-The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency table below summarizes the results. $$\begin{array} { r | r } \begin{array} { r } \text { Waiting Time } \\\text { (minutes) }\end{array} & \begin{array} { r } \text { Number of } \\\text { Customers }\end{array} \\\hline 0 - 3 & 9 \\4 - 7 & 10 \\8 - 11 & 12 \\12 - 15 & 4 \\16 - 19 & 4 \\20 - 23 & 2 \\24 - 27 & 2\end{array}$$ If we randomly select one of the customers represented in the table, what is the probability that the waiting time
Is at least 12 minutes or between 8 and 15 minutes?

• A) 0.727
• B) 0.651
• C) 0.558
• D) 0.093

Understand the ethnic disparities in stress reactivity and its health implications.

Recognize the connection between stress, immune function, and disease progression or management.

Understand how psychological factors contribute to physical health outcomes.

Appreciate the protective or exacerbating role of stress in autoimmune diseases and chronic conditions.

---

Definitions:

Barbiturates

A class of drugs that act as central nervous system depressants, used primarily as sedatives or hypnotics.

Craving

A powerful desire for something, often used in the context of addictive substances.

Withdrawal

A set of symptoms that occur upon the discontinuation or decrease in intake of a substance that has been used regularly or in psychological contexts, the process of becoming emotionally detached.

Alcohol Dependence

A medical condition characterized by an impaired ability to stop or control alcohol use despite adverse social, occupational, or health consequences.