 99.R.0: Update your journal with what you have learned in this chapter. Inc...
 99.R.1: Quarter, Dime, and Nickel Problem: A quarter, a dime, and a nickel ...
 99.R.2: Numbered Index Card Problem: Twentyfive index cards are numbered f...
 99.R.3: a. An ice cream shop has 20 flavors of ice cream and 11 flavors of ...
 99.R.4: a. The Russian alphabet has 34 characters. Find the number of diffe...
 99.R.5: a. Evaluate 7C3 using factorials. b. What is the difference between...
 99.R.6: a. Car Trouble Problem: Mr. Rhees car has a 70% probability of star...
 99.R.7: Candle Lighter Problem: A butane candle lighter does not always lig...
 99.R.8: Airline Overbooking Problem: A small commuter airline charges $100 ...
 99.C.1: Nuclear Reactor Project: When a uranium atom inside the reactor of ...
 99.T.1: Calculate the number of permutations of seven objects taken three a...
 99.T.2: Calculate the number of combinations of six objects taken four at a...
 99.T.3: What is the difference between a permutation and a combination?
 99.T.4: If A and B are independent events and P(A) = 0.8 and P(B) = 0.9, fi...
 99.T.5: If A and B are independent events and P(A) = 0.8 and P(B) = 0.9, fi...
 99.T.6: Suppose that, in each repetition of a random experiment, the probab...
 99.T.7: Explain why the random experiment in is called a binomial experiment.
 99.T.8: Suppose that C, D, and E are three mutually exclusive events of a r...
 99.T.9: The sample space for this random experiment contains 10C3 outcomes....
 99.T.10: What is the probability that any one pick is not the winning combin...
 99.T.11: What is the 11thgrade classs payoff if the pick is the winning com...
 99.T.12: What is the classs mathematical expectation for any one pick?
 99.T.13: How much would the class expect to make from the sale of 1000 picks...
 99.T.14: If you guess at random in a question, what is your probability of g...
 99.T.15: What is your mathematically expected number of points for any probl...
 99.T.16: Suppose you know that three of the five choices are incorrect. What...
 99.T.17: What is your mathematically expected number of points for a questio...
 99.T.18: What is his probability of not being late on any one day?
 99.T.19: Show how to calculate Hezzys probability of being late on exactly t...
 99.T.20: Make a list of Hezzys probabilities of being late on 0 through 5 da...
 99.T.21: Perform a calculation that shows that your answers to are reasonable.
 99.T.22: Tell the special name of the probability distribution in T20.
 99.T.23: Plot a graph of the probability distribution in T20. Sketch the graph.
 99.T.24: Cup and Saucer Problem: Wanda washes dishes at a restaurant. Her pr...
 99.T.25: Cup and Saucer Problem: Wanda washes dishes at a restaurant. Her pr...
 99.T.26: Cup and Saucer Problem: Wanda washes dishes at a restaurant. Her pr...
 99.T.27: Cup and Saucer Problem: Wanda washes dishes at a restaurant. Her pr...
 99.T.28: What did you learn as a result of doing this chapter test that you ...
Solutions for Chapter 99: Probability, and Functions of a Random Variable
Full solutions for Precalculus with Trigonometry: Concepts and Applications  1st Edition
ISBN: 9781559533911
Solutions for Chapter 99: Probability, and Functions of a Random Variable
Get Full SolutionsThis textbook survival guide was created for the textbook: Precalculus with Trigonometry: Concepts and Applications, edition: 1. Chapter 99: Probability, and Functions of a Random Variable includes 38 full stepbystep solutions. This expansive textbook survival guide covers the following chapters and their solutions. Precalculus with Trigonometry: Concepts and Applications was written by and is associated to the ISBN: 9781559533911. Since 38 problems in chapter 99: Probability, and Functions of a Random Variable have been answered, more than 21450 students have viewed full stepbystep solutions from this chapter.

Arithmetic sequence
A sequence {an} in which an = an1 + d for every integer n ? 2 . The number d is the common difference.

Combinations of n objects taken r at a time
There are nCr = n! r!1n  r2! such combinations,

Distance (in a coordinate plane)
The distance d(P, Q) between P(x, y) and Q(x, y) d(P, Q) = 2(x 1  x 2)2 + (y1  y2)2

Fitting a line or curve to data
Finding a line or curve that comes close to passing through all the points in a scatter plot.

Graph of a function ƒ
The set of all points in the coordinate plane corresponding to the pairs (x, ƒ(x)) for x in the domain of ƒ.

Hyperboloid of revolution
A surface generated by rotating a hyperbola about its transverse axis, p. 607.

Inequality symbol or
<,>,<,>.

Logarithmic function with base b
The inverse of the exponential function y = bx, denoted by y = logb x

Onetoone function
A function in which each element of the range corresponds to exactly one element in the domain

Ordered pair
A pair of real numbers (x, y), p. 12.

Period
See Periodic function.

Polar coordinate system
A coordinate system whose ordered pair is based on the directed distance from a central point (the pole) and the angle measured from a ray from the pole (the polar axis)

Quantitative variable
A variable (in statistics) that takes on numerical values for a characteristic being measured.

Real zeros
Zeros of a function that are real numbers.

Reflection across the xaxis
x, y and (x,y) are reflections of each other across the xaxis.

Secant
The function y = sec x.

Standard form of a polynomial function
ƒ(x) = an x n + an1x n1 + Á + a1x + a0

Stem
The initial digit or digits of a number in a stemplot.

Sum identity
An identity involving a trigonometric function of u + v

Variance
The square of the standard deviation.