### Population Estimates and Rounding#### Exercise 7**The U.S. Census Bureau projects that China’s population will be 1,394,015,977 by July 1, 2020. Round the population of China to the nearest million people.**The U.S. Census Bureau projects that China’s population will be **1,394,015,977** by July 1, 2020. Round the population of China to the nearest million people.#### Exercise 8**The U.S. Census Bureau projects that the U.S. population will be 332,639,102 by July 1, 2020. Round the population of the U.S. to the nearest million people.**The U.S. Census Bureau projects that the U.S. population will be **332,639,102** by July 1, 2020. Round the population of the U.S. to the nearest million people.#### Exercise 9**Use your rounded values from problems 7 and 8 to estimate how many more people will live in China than in the U.S. by July 1, 2020. Show your work.**Use your rounded values from problems 7 and 8 to estimate how many more people will live in China than in the U.S. by July 1, 2020. **Show your work.**#### Exercise 10**The U.S. Census Bureau projects that the population of Mexico will be 128,649,565 by July 1, 2020. Round the population of Mexico to the nearest million people. Then use that rounded value to estimate how many more people live in the United States than Mexico. Show your work.**The U.S. Census Bureau projects that the population of Mexico will be **128,649,565** by July 1, 2020. **Round the population of Mexico to the nearest million people.** Then use that rounded value to estimate how many more people live in the United States than Mexico. **Show your work.**---### Guidelines for Rounding Populations1. **Identify the digit in the millions place** – this is the digit you will round to.2. **Look at the digit to the right** (i.e., the hundred thousands place). - If this digit is 5 or greater, round the millions digit up by one. - If this digit is less than 5,

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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5. A small ceramics museum had 5000 visitors in its first month January (1 = 0) of operation. The museum staff predicts that the number of visitors will increase by 6% each month. Assuming this prediction is true, how many total visitors should the museum expect in the 1st quarter (January, February, and March). Round your answer to the nearest whole number.
A bank developed a model for predicting the average checking and savings account balance as balance=−18,438+317×age+1,240×years education+0.108×household wealth. a. Explain how to interpret the numbers in this model. b. Suppose that a customer is 27 years old, is a college graduate (so that years education=16),and has a household wealth of $130,000.What is the predicted bank balance?
1.) While waiting for a video game to download, you notice that 30% of 32,000 kilobytes have been downloaded. How many kilobytes have been downloaded? Answer:
The national center for educational statistics reported that in 2008-2009, 178,564 master's degrees in education were awarded in the United States, and that this represented 27% of all master's degrees awarded. How many master's degrees were awarded in 2008-2009?
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The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below. Click the icon to view the survey results. (a) Find the probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male. The probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male, is (Round to three decimal places as needed.) (b) Find the probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work. The probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work, is (Round to three decimal places as needed.)
A. By how much does the machine decrease in value (in dollars) in 1 year? B. Predict when (in years) the value of the copy machine will be zero.
An interdepartmental task force is being formed to investigate an increase in violent crimes. 1/5 of the task force will be police officers from the local precinct. 1/4 will be ATF agents, and the remaining 22 will be from the FBI. How many people are participating in the task force?
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7. The U.S. Census Bureau projects that China's population will be 1,394,015,977 by July 1, 2020. Round the population of China to the nearest million people.