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Solutions for Chapter 9.7: Probability

Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 9.7: Probability

Solutions for Chapter 9.7
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ISBN: 9780618643448

Precalculus was written by and is associated to the ISBN: 9780618643448. This textbook survival guide was created for the textbook: Precalculus, edition: 7. Since 74 problems in chapter 9.7: Probability have been answered, more than 14976 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 9.7: Probability includes 74 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Arcsecant function

See Inverse secant function.

• Component form of a vector

If a vector’s representative in standard position has a terminal point (a,b) (or (a, b, c)) , then (a,b) (or (a, b, c)) is the component form of the vector, and a and b are the horizontal and vertical components of the vector (or a, b, and c are the x-, y-, and z-components of the vector, respectively)

• Convergence of a sequence

A sequence {an} converges to a if limn: q an = a

• Cosecant

The function y = csc x

• Directed line segment

See Arrow.

• Direction vector for a line

A vector in the direction of a line in three-dimensional space

• Graph of an equation in x and y

The set of all points in the coordinate plane corresponding to the pairs x, y that are solutions of the equation.

• Instantaneous rate of change

See Derivative at x = a.

• Line of symmetry

A line over which a graph is the mirror image of itself

• Local maximum

A value ƒ(c) is a local maximum of ƒ if there is an open interval I containing c such that ƒ(x) < ƒ(c) for all values of x in I

• Normal distribution

A distribution of data shaped like the normal curve.

• Placebo

In an experimental study, an inactive treatment that is equivalent to the active treatment in every respect except for the factor about which an inference is to be made. Subjects in a blind experiment do not know if they have been given the active treatment or the placebo.

The distance from a point on a circle (or a sphere) to the center of the circle (or the sphere).

• Rose curve

A graph of a polar equation or r = a cos nu.

• Solve by elimination or substitution

Methods for solving systems of linear equations.

• Term of a polynomial (function)

An expression of the form anxn in a polynomial (function).

• Transformation

A function that maps real numbers to real numbers.

• Upper bound for real zeros

A number d is an upper bound for the set of real zeros of ƒ if ƒ(x) ? 0 whenever x > d.

• x-intercept

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

• Zero factorial

See n factorial.

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