Explanation Use of number in international news: Consider the article about the UK government”s new £ 44.5 million package to bolster UK border controls in France to help tackle illegal immigration. The figures provided by home office reveal that there were over 80 , 000 attempts to enter UK in 2015, which fell to 30,000 in 2017. Here, the number £ 44.5 million is used for the amount of money that is to be sanctioned for the purpose and the number is quite large, so instead of writing numbers as £ 44 , 500 , 000 it is written as £ 44.5 million . And the numbers 80 , 000 and 30 , 000 are used to describe the reduction in illegal immigration. The data of home office regarding the illegal attempts of immigration are uncertain as there must have been some approximations in recoding and publishing data. Use of number in local news: Consider the news article about a New York state lawmaker proposing to lower the state“s blood-alcohol limit for drinking and driving from 0.08 to 0.05 . The numbers 0.08 and 0.05 are used for percentage of alcohol in blood that is legal for safe driving. The legal limit is 0.08 % that is proposed to reduce to 0.05 ...

Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)

7th Edition

ISBN: 9780134705187

Author: Jeffrey O. Bennett, William L. Briggs

Publisher: PEARSON

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Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative p…

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Chapter 3.C, Problem 76E

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The use of numbers in real life, context of usage and uncertainty associated with the number.

Introduction: The numbers have become crucial in daily life and we use numbers every day in different contexts and same numbers represents different quantities, when used in different scenarios.

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Chapter 3.C, Problem 75E

Chapter 3.C, Problem 77E

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5. (20%) The linear transformation L: P3 → P2 defined by L(f(x)) = f'(x)+ f(0). (a) Find the representing matrix A of L with respect to the ordered basis {x2, x, 1} for P3, and the ordered basis {2,1 - x} for P2. (b) Find the coordinates of the f(x) = 2x² +2 in P3 with respect to the ordered basis {x2,-x, 1}, and find the coordinates of L(f(x)) with respect to the ordered basis {2,1-x}

One hundred students were surveyed about their preference between dogs and cats. The following two-way table displays data for the sample of students who responded to the survey. Preference Male Female TOTAL Prefers dogs \[36\] \[20\] \[56\] Prefers cats \[10\] \[26\] \[36\] No preference \[2\] \[6\] \[8\] TOTAL \[48\] \[52\] \[100\] problem 1 Find the probability that a randomly selected student prefers dogs.Enter your answer as a fraction or decimal. \[P\left(\text{prefers dogs}\right)=\] Incorrect Check Hide explanation Preference Male Female TOTAL Prefers dogs \[\blueD{36}\] \[\blueD{20}\] \[\blueE{56}\] Prefers cats \[10\] \[26\] \[36\] No preference \[2\] \[6\] \[8\] TOTAL \[48\] \[52\] \[100\] There were \[\blueE{56}\] students in the sample who preferred dogs out of \[100\] total students.

For the spinner below, assume that the pointer can never lie on a borderline. Find the following probabilities. (enter the probabilities as fractions)

Chapter 3 Solutions

Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)

Ch. 3.A - The price of a meal at a four-star restaurant is...Ch. 3.A - The population of a town increases from 50,000 to...Ch. 3.A - Suppose the value of a home changed by -20% over...Ch. 3.A - Emily scored 50% higher on the SAT than Joshua....Ch. 3.A - The price of a movie ticket increased from $10 to...Ch. 3.A - Your receipt shows that you paid $47.96 for a new...Ch. 3.A - Consider this statement: “The interest rate on...Ch. 3.A - A friend has a textbook that originally cost $150....Ch. 3.A - You currently earn $1000 per month, but you are...Ch. 3.A - During high school, Elise won 30% of the swim...

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The use of numbers in real life, context of usage and uncertainty associated with the number. Introduction: The numbers have become crucial in daily life and we use numbers every day in different contexts and same numbers represents different quantities, when used in different scenarios.