The Discrete Random Variable X Is the Number of Students $$\begin{array} { l c c c c r } X & 0 & 1 & 2 & 3 & \text { Total } \\P ( X ) & 40 & 30 & 20 & 10 & 1.00\end{array}$$

question 96

Multiple Choice

The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The table below shows the probability distribution for X. What is the probability that fewer than 2 students come to office hours on any given Monday? $$\begin{array} { l c c c c r } X & 0 & 1 & 2 & 3 & \text { Total } \\P ( X ) & 40 & 30 & 20 & 10 & 1.00\end{array}$$

• A).10
• B).40
• C).70
• D).90

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Definitions:

Survival

The ability of an organism to continue living or existing under varying conditions or in the face of potential threats.

Hypermutation

A process that increases the mutation rate in the genome, often leading to rapid genetic changes, especially in the immune system.

Bacteria

Microscopic, unicellular organisms found in almost every habitat on Earth, playing critical roles in both health and disease.