Explanation We want to prove that successive term in the sequence ( 0 n ) , ( 1 n ) , ........ , ( n n ) first increase and then decrease. Suppose we consider the ratio of two successive terms ( j + 1 n ) and ( j n ) : ( j + 1 n ) ( j n ) = n ! ( j + 1 ) ! ( n − j − 1 ) n ! j ! ( n − j ) ! ( j + 1 n ) ( j n ) = j !

6th Edition

ISBN: 9780134114262

Author: LARSEN

Publisher: PEARSON

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence. It was invented by German mathematician Carl Friedrich Gauss.

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Chapter 2.6, Problem 61Q

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To test: The successive term in the sequence (0n),(1n),........,(nn) first increase and then decrease.

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Chapter 2.6, Problem 60Q

Chapter 2.6, Problem 62Q

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Chapter 2 Solutions

INTRO.TO MATHEMATICAL STAT...-STD.SOLN.

Ch. 2.2 - A graduating engineer has signed up for three job...Ch. 2.2 - Three dice are tossed, one red, one blue, and one...Ch. 2.2 - An urn contains six chips numbered 1 through 6....Ch. 2.2 - Suppose that two cards are dealt from a standard...Ch. 2.2 - In the lingo of craps-shooters (where two dice are...Ch. 2.2 - A poker deck consists of fifty-two cards,...Ch. 2.2 - Let P be the set of right triangles with a 5...Ch. 2.2 - Suppose a baseball player steps to the plate with...Ch. 2.2 - A telemarketer is planning to set up a phone bank...Ch. 2.2 - Two darts are thrown at the following target: (a)...

Ch. 2.2 - A woman has her purse snatched by two teenagers....Ch. 2.2 - Consider the experiment of choosing coefficients...Ch. 2.2 - In the game of craps, the person rolling the dice...Ch. 2.2 - A probability-minded despot offers a convicted...Ch. 2.2 - Suppose that ten chips, numbered 1 through 10, are...Ch. 2.2 - Sketch the regions in the xy-plane corresponding...Ch. 2.2 - Referring to Example 2.2.7, find (AB) and (AB) if...Ch. 2.2 - Find (ABC) if A={x:0x4}, B={x:2x6} and...Ch. 2.2 - Prob. 19Q Ch. 2.2 - Prob. 20Q Ch. 2.2 - Let A be the set of five-card hands dealt from a...Ch. 2.2 - Suppose that each of the twelve letters in the...Ch. 2.2 - Let A, B, and C be any three events defined on a...Ch. 2.2 - Let A1,A2,........,Ak be any set of events defined...Ch. 2.2 - Let A, B, and C be any three events defined on a...Ch. 2.2 - Suppose that three eventsA, B, and Care de-fined...Ch. 2.2 - Prob. 27Q Ch. 2.2 - Let events A and B and sample space S be defined...Ch. 2.2 - A coin is tossed four times and the resulting...Ch. 2.2 - Pictured below are two organizational charts...Ch. 2.2 - During orientation week, the latest Spiderman...Ch. 2.2 - Let A and B be any two events. Use Venn diagrams...Ch. 2.2 - Let A, B, and C be any three events. Use Venn...Ch. 2.2 - Let A, B, and C be any three events. Use Venn...Ch. 2.2 - Let A and B be any two events defined on a sample...Ch. 2.2 - Use Venn diagrams to suggest an equivalent way of...Ch. 2.2 - A total of twelve hundred graduates of State Tech...Ch. 2.2 - Let A, B, and C be any three events defined on a...Ch. 2.2 - A poll conducted by a potential presidential...Ch. 2.2 - For two events A and B defined on a sample space...Ch. 2.3 - According to a family-oriented lobbying group,...Ch. 2.3 - Let A and B be any two events defined on S....Ch. 2.3 - Express the following probabilities in terms of...Ch. 2.3 - LetAandBbe two events defined on S. If the...Ch. 2.3 - Suppose that three fair dice are tossed. Let Ai be...Ch. 2.3 - Events A and B are defined on a sample space S...Ch. 2.3 - Let A1,A2....,An be a series of events for which...Ch. 2.3 - Draw the Venn diagrams that would correspond to...Ch. 2.3 - In the game of odd man out each player tosses a...Ch. 2.3 - An urn contains twenty-four chips, numbered 1...Ch. 2.3 - If States football team has a 10% chance of...Ch. 2.3 - Let events A1 and A2 are such that A1A2=S and...Ch. 2.3 - Prob. 13Q Ch. 2.3 - Prob. 14Q Ch. 2.3 - A coin is to be tossed four times. Define events X...Ch. 2.3 - Two dice are tossed. Assume that each possible...Ch. 2.3 - Let A, B, and C be three events defined on a...Ch. 2.3 - Lucy is currently running two dot-com scams out of...Ch. 2.4 - Suppose that two fair dice are tossed. What is the...Ch. 2.4 - Find P(AB) if P(A)=0.2,P(B)=0.4, and...Ch. 2.4 - If P(AB)P(A), show that P(BA)P(B).Ch. 2.4 - Let A and B be two events such that...Ch. 2.4 - Suppose that in Example 2.4.2 we ignored the ages...Ch. 2.4 - Two events, A and B, are defined on a sample space...Ch. 2.4 - An urn contains one red chip and one white chip....Ch. 2.4 - Given that P(A)=a and P(B)=b, show that P(AB)a+b1b Ch. 2.4 - An urn contains one white chip and a second chip...Ch. 2.4 - Suppose events A and B are such that P(AB)=0.1 and...Ch. 2.4 - One hundred voters were asked their opinions of...Ch. 2.4 - A fair coin is tossed three times. What is the...Ch. 2.4 - Two fair dice are rolled. What is the probability...Ch. 2.4 - Four cards are dealt from a standard 52-card poker...Ch. 2.4 - Prob. 15Q Ch. 2.4 - Given that P(A)+P(B)=0.9,P(AB)=0.5, and...Ch. 2.4 - Let A and B be two events defined on a sample...Ch. 2.4 - Suppose two dice are rolled. Assume that each...Ch. 2.4 - According to your neighborhood bookie, five horses...Ch. 2.4 - Andy, Bob, and Charley have all been serving time...Ch. 2.4 - An urn contains six white chips, four black chips,...Ch. 2.4 - A man has n keys on a key ring, one of which opens...Ch. 2.4 - Your favorite college football team has had a good...Ch. 2.4 - One chip is drawn at random from an urn that...Ch. 2.4 - A toy manufacturer buys ball bearings from three...Ch. 2.4 - A fair coin is tossed. 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To test: The successive term in the sequence ( 0 n ) , ( 1 n ) , ........ , ( n n ) first increase and then decrease.

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To test: The successive term in the sequence (0n),(1n),........,(nn) first increase and then decrease.

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Chapter 2 Solutions