A Box Contains 4 Slips of Paper, on Each of Which

question 365

Multiple Choice

A box contains 4 slips of paper, on each of which is written the number 1, 2, 3, or 4, respectively. A slip is drawn, and the number on it is noted. That slip is put aside, and another slip is drawn and the number on it noted. What is the
Probability that
a) the sum of the two numbers is 5?
b) the first number drawn is a 2 and the second number is not 5?
c) the sum of the two numbers is not 10?

• A) a) \(\frac { 1 } { 3 }\) b) \(\frac { 1 } { 4 } \quad\) c) 1
• B) a) \(\frac { 1 } { 4 } \quad\) b) \(\frac { 1 } { 3 } \quad\) c) 1
• C) a) \(\frac { 1 } { 4 }\) b) \(\frac { 1 } { 3 }\) c) 0
• D) a) \(\frac { 1 } { 3 }\) b) \(\frac { 1 } { 4 } \quad\) c) 0

---

Definitions:

Novel Trait

A newly evolved feature in an organism that significantly differs from functions or structures in ancestral species, often due to genetic mutations or environmental changes.

Clade

A group of biological taxa, such as species, that share a common ancestor in the tree of life.

Beta Globin Chain

A component of hemoglobin, responsible for oxygen transport in the bloodstream.

Subtropical Regions

Areas of the world that lie just below the tropical zones, characterized by hot, humid summers and mild winters.