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# Solutions for Chapter 12.4: Discrete Random Variables and Discrete Distributions

## Full solutions for Calculus For Biology and Medicine (Calculus for Life Sciences Series) | 3rd Edition

ISBN: 9780321644688

Solutions for Chapter 12.4: Discrete Random Variables and Discrete Distributions

Solutions for Chapter 12.4
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##### ISBN: 9780321644688

This textbook survival guide was created for the textbook: Calculus For Biology and Medicine (Calculus for Life Sciences Series), edition: 3. Chapter 12.4: Discrete Random Variables and Discrete Distributions includes 99 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Since 99 problems in chapter 12.4: Discrete Random Variables and Discrete Distributions have been answered, more than 19911 students have viewed full step-by-step solutions from this chapter. Calculus For Biology and Medicine (Calculus for Life Sciences Series) was written by and is associated to the ISBN: 9780321644688.

Key Calculus Terms and definitions covered in this textbook
• Coefficient matrix

A matrix whose elements are the coefficients in a system of linear equations

• Convenience sample

A sample that sacrifices randomness for convenience

• Coordinate(s) of a point

The number associated with a point on a number line, or the ordered pair associated with a point in the Cartesian coordinate plane, or the ordered triple associated with a point in the Cartesian three-dimensional space

• Degree

Unit of measurement (represented by the symbol ) for angles or arcs, equal to 1/360 of a complete revolution

• Dihedral angle

An angle formed by two intersecting planes,

• Direction of an arrow

The angle the arrow makes with the positive x-axis

• Exponential growth function

Growth modeled by ƒ(x) = a ? b a > 0, b > 1 .

• Horizontal component

See Component form of a vector.

• Index of summation

See Summation notation.

• Multiplication principle of counting

A principle used to find the number of ways an event can occur.

• Numerical derivative of ƒ at a

NDER f(a) = ƒ1a + 0.0012 - ƒ1a - 0.00120.002

• Opens upward or downward

A parabola y = ax 2 + bx + c opens upward if a > 0 and opens downward if a < 0.

• Paraboloid of revolution

A surface generated by rotating a parabola about its line of symmetry.

• Pole

See Polar coordinate system.

• Positive association

A relationship between two variables in which higher values of one variable are generally associated with higher values of the other variable, p. 717.

• Pseudo-random numbers

Computer-generated numbers that can be used to approximate true randomness in scientific studies. Since they depend on iterative computer algorithms, they are not truly random

• Quartile

The first quartile is the median of the lower half of a set of data, the second quartile is the median, and the third quartile is the median of the upper half of the data.

• Reflection

Two points that are symmetric with respect to a lineor a point.

• Xscl

The scale of the tick marks on the x-axis in a viewing window.

• y-intercept

A point that lies on both the graph and the y-axis.

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