Problema 3
Use the formula for nPr to evaluate each expression. 8P5
Problema 4
Use the formula for nPr to evaluate each expression. 10P4
Problema 5
Use the formula for nPr to evaluate each expression. 6P6
Problema 7
Use the formula for nPr to evaluate each expression. 8P0
Problema 9
Use the formula for nCr to evaluate each expression. 9C5
Problema 10
Use the formula for nCr to evaluate each expression. 10C6
Problema 11
Use the formula for nCr to evaluate each expression. 11C4
Problema 13
Use the formula for nCr to evaluate each expression. 7C7
Problema 14
Use the formula for nCr to evaluate each expression. 4C4
Problema 15
Use the formula for nCr to evaluate each expression. 5C0
Problema 21
Evaluate each expression.
Problema 23
Evaluate each expression.
Problema 25
Evaluate each expression.
Problema 27
Evaluate each expression.
Problema 29
Use the Fundamental Counting Principle to solve Exercises 29–40. The model of the car you are thinking of buying is available in nine different colors and three different styles (hatchback, sedan, or sport). In how many ways can you order the car?
Problema 31
Use the Fundamental Counting Principle to solve Exercises 29–40. An ice cream store sells two drinks (sodas or milk shakes) in four sizes (small, medium, large, or jumbo) and five flavors (vanilla, strawberry, chocolate, coffee, or pistachio). In how many ways can a customer order a drink?
Problema 49
Use the formula for nCr to solve Exercises 49–56. An election ballot asks voters to select three city commissioners from a group of six candidates. In how many ways can this be done?
Problema 51
Use the formula for nCr to solve Exercises 49–56. Of 12 possible books, you plan to take 4 with you on vacation. How many different collections of 4 books can you take?
Problema 53
Use the formula for nCr to solve Exercises 49–56. You volunteer to help drive children at a charity event to the zoo, but you can fit only 8 of the 17 children present in your van. How many different groups of 8 children can you drive?
Problema 55
Use the formula for nCr to solve Exercises 49–56. To win at LOTTO in the state of Florida, one must correctly select 6 numbers from a collection of 53 numbers (1 through 53). The order in which the selection is made does not matter. How many different selections are possible?
Problema 92
How many four-digit odd numbers less than 6000 can be formed using the digits 2, 4, 6, 7, 8, and 9?
Problema 95
Retaining the Concepts. Solve and determine whether 8(x - 3) + 4 = 8x - 21 is an identity, a conditional equation, or an inconsistent equation.
Problema 97
Retaining the Concepts. Expand:
Problema 11
In Exercises 11–16, a die is rolled. Find the probability of getting a 4.
Problema 13
In Exercises 11–16, a die is rolled. Find the probability of getting an odd number.
Problema 15
In Exercises 11–16, a die is rolled. Find the probability of getting a number greater than 4.
Problema 17
You are dealt one card from a standard 52-card deck. Find the probability of being dealt a queen.
Problema 19
In Exercises 17–20, you are dealt one card from a standard 52-card deck. Find the probability of being dealt a picture card.
Problema 21
In Exercises 21–22, a fair coin is tossed two times in succession. The sample space of equally likely outcomes is {HH,HT,TH,TT}. Find the probability of getting two heads.
Problema 39
In Exercises 39–44, you are dealt one card from a 52-card deck. Find the probability that you are not dealt a king.
Ch. 8 - Sequences, Induction, and Probability
