Pearson eText Introductory Statistics: Exploring the World Through Data -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780136880882
Author: Robert Gould, Rebecca Wong
Publisher: PEARSON+
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Chapter 7, Problem 80SE
Sugar-Sweetened Beverages In 2017, the journal Obesity reported on trends in sugar-sweetened beverage (SSB) consumption. A random sample of youths aged 12 to 19 years old were asked to monitor all food and beverages consumed in a 24-hour period. The study was done in 2003 and repeated in 2014. The numbers who consumed a sugary beverage such as soda or fruit juice in a day are shown in the table. (Bleich et al., “Trends in Beverage Consumption among Children and Adults, 2003-2014,” Obesity, vol. 26 [2018]: 432-441. doi:10.1002/oby.22056)
a. Calculate and compare the percentages of youths in this age group who consumed an SSB during the recording period.
b. Check that the conditions for using a two-population confidence interval hold.
c. Find the
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We consider a two-period binomial model with the following properties: each period lastsone (1) year and the current stock price is S0 = 4. On each period, the stock price doubleswhen it moves up and is reduced by half when it moves down. The annual interest rateon the money market is 25%. (This model is the same as in Prob. 1 of HW#2).We consider four options on this market: A European call option with maturity T = 2 years and strike price K = 5; A European put option with maturity T = 2 years and strike price K = 5; An American call option with maturity T = 2 years and strike price K = 5; An American put option with maturity T = 2 years and strike price K = 5.(a) Find the price at time 0 of both European options.(b) Find the price at time 0 of both American options. Compare your results with (a)and comment.(c) For each of the American options, describe the optimal exercising strategy.
Problem 1.We consider a two-period binomial model with the following properties: each period lastsone (1) year and the current stock price is S0 = 4. On each period, the stock price doubleswhen it moves up and is reduced by half when it moves down. The annual interest rateon the money market is 25%.
We consider four options on this market: A European call option with maturity T = 2 years and strike price K = 5; A European put option with maturity T = 2 years and strike price K = 5; An American call option with maturity T = 2 years and strike price K = 5; An American put option with maturity T = 2 years and strike price K = 5.(a) Find the price at time 0 of both European options.(b) Find the price at time 0 of both American options. Compare your results with (a)and comment.(c) For each of the American options, describe the optimal exercising strategy.(d) We assume that you sell the American put to a market participant A for the pricefound in (b). Explain how you act on the market…
What is the standard scores associated to the left of z is 0.1446
Chapter 7 Solutions
Pearson eText Introductory Statistics: Exploring the World Through Data -- Instant Access (Pearson+)
Ch. 7 - Population vs. Sample (Example 1) In 2017 the...Ch. 7 - Population vs. Sample In 2017 Pew Research Center...Ch. 7 - Parameter vs. Statistic (Example 2) Bob Ross...Ch. 7 - Parameter vs. Statistic The website...Ch. 7 - x vs. Two symbols are used for the mean: and x....Ch. 7 - vs. s Two symbols are used for the standard...Ch. 7 - vs. x The mean weight of all professional NBA...Ch. 7 - vs. s The standard deviation of all professional...Ch. 7 - Notation (Example 3) The city of San Francisco...Ch. 7 - Notation The city of Chicago provides an open data...
Ch. 7 - Samples and Populations (Example 4) Chapman...Ch. 7 - Samples and Populations The Centers for Disease...Ch. 7 - Sample vs. Census You are receiving a large...Ch. 7 - Sampling GPAs Suppose you want to estimate the...Ch. 7 - Sampling with and without Replacement Explain the...Ch. 7 - Simple Random Sampling Is simple random sampling...Ch. 7 - Finding a Random Sample (Example 5) You need to...Ch. 7 - Finding a Random Sample You need to select a...Ch. 7 - Random Sampling Assume your class has 30 students...Ch. 7 - Random Sampling with Coins Assume your class has...Ch. 7 - Survey Response (Example 6) A school district...Ch. 7 - Survey Response To determine if patrons are...Ch. 7 - Views on Capital Punishment In carrying out a...Ch. 7 - Views on Capital Punishment Use the data given in...Ch. 7 - Targets: Bias or Lack of Precision? a. If a...Ch. 7 - Targets: Bias or Lack of Precision, Again a. If a...Ch. 7 - Bias? Suppose that, when taking a random sample of...Ch. 7 - Unbiased Sample? Suppose you attend a school that...Ch. 7 - Proportion of Odd Digits A large collection of...Ch. 7 - Proportion of Odd Digits...Ch. 7 - Prob. 31SECh. 7 - Prob. 32SECh. 7 - ESP A Zener deck of cards has cards that show one...Ch. 7 - ESP Again In the graphs for Exercise 7.33, explain...Ch. 7 - Standard Error Which of the dotplots given in...Ch. 7 - Bias? Assuming that the true proportion of success...Ch. 7 - Fair Coin? One of the graphs shows the proportion...Ch. 7 - Far from Fair Which of the graphs in Exercise 7.37...Ch. 7 - Variation in Sample Proportions (Example 7)...Ch. 7 - Variation in Sample Proportions Suppose it is...Ch. 7 - Driver’s License (Example 8) According to a 2017...Ch. 7 - BA Attainment According to a 2017 Pew Research...Ch. 7 - Stress (Example 9) According to a 2017 Gallup...Ch. 7 - Prob. 44SECh. 7 - Streaming Services (Example 10) According to a...Ch. 7 - Prob. 46SECh. 7 - Voting According to a 2017 Pew Research Center...Ch. 7 - Instagram According to a 2018 Pew Research Center...Ch. 7 - Super Bowl In 2018 it was estimated that...Ch. 7 - College Enrollment According to data released in...Ch. 7 - Color Blindness While the majority of people who...Ch. 7 - Blood Type Human blood is divided into 8 possible...Ch. 7 - Prob. 53SECh. 7 - Environment A 2017 Gallup poll found that 601 out...Ch. 7 - Gun Control According to a 2017 Gallup Poll, 617...Ch. 7 - Smokers According to a 2017 Gallup poll, 572 out...Ch. 7 - Voting A random sample of likely voters showed...Ch. 7 - Voting A random sample of likely voters showed...Ch. 7 - Prob. 59SECh. 7 - Diabetes In a simple random sample of 1200...Ch. 7 - Marijuana Legalization A 2017 Gallup poll reported...Ch. 7 - Organic Produce A 2016 Pew Research poll found...Ch. 7 - Democracy and Unpopular Views A 2017 survey of...Ch. 7 - Democracy and Free Press A 2017 survey of U.S....Ch. 7 - Winter Olympics (Example 12) According to a 2018...Ch. 7 - Marijuana Use The Gallup poll reported that 45 of...Ch. 7 - Past Presidential Vote In the 1960 presidential...Ch. 7 - Batting Averages The website www.mlb.com compiles...Ch. 7 - Picky Eaters (Example 13) In a 2017 Harris poll...Ch. 7 - Nutrition Labels Of 1019 U.S. adults responding to...Ch. 7 - Prob. 71SECh. 7 - Estimating Sample Size In the 2018 study Closing...Ch. 7 - Happiness A Harris poll asked Americans in 2016...Ch. 7 - Artificial Intelligence A Harris poll asked a...Ch. 7 - Democratic (Examples 15, 16, 17, 18) Voters and...Ch. 7 - Trust in Judiciary In 2016 and 2017 Gallup asked...Ch. 7 - Perry Preschool and Graduation from High School...Ch. 7 - Preschool: Just the Boys Refer to Exercise 7.77...Ch. 7 - Prob. 79SECh. 7 - Sugar-Sweetened Beverages In 2017, the journal...Ch. 7 - Gender and Use of Turn Signals Statistics student...Ch. 7 - Local TV News Pew Research reported that 46 of...Ch. 7 - Drug for Nausea Ondansetron (Zofran) is a drug...Ch. 7 - Preschool: Just the Girls The Perry Preschool...Ch. 7 - Prob. 85CRECh. 7 - College Enrollment (Women) According to the Bureau...Ch. 7 - Prob. 87CRECh. 7 - Technology Anxiety In a 2018 survey conducted by...Ch. 7 - Sample Proportion A poll on a proposition showed...Ch. 7 - Sample Proportion A poll on a proposition showed...Ch. 7 - Margin of Error A poll on a proposition showed...Ch. 7 - Margin of Error A poll on a proposition showed...Ch. 7 - Dreaming in Color According to studies done in the...Ch. 7 - Hand Washing Ignaz Semmelweiss (1818-1865) was the...Ch. 7 - Prob. 95CRECh. 7 - School Bond Suppose a political consultant is...Ch. 7 - Prob. 97CRECh. 7 - Prob. 98CRECh. 7 - Voters Poll: Sample Size A polling agency wants to...Ch. 7 - Ratio of Sample Sizes Find the sample size...Ch. 7 - Criticize the Sampling Marco is interested in...Ch. 7 - Criticize the Sampling Maria opposes capital...Ch. 7 - Random Sampling? If you walked around your school...Ch. 7 - Biased Sample? You want to find the mean weight of...Ch. 7 - Bias? Suppose that, when taking a random sample of...Ch. 7 - Bias? Four women selected from a photo of 123 were...Ch. 7 - Sample Size Formula (Part 1) From Formula 7.2, an...Ch. 7 - Sample Size Formula (Part 2) Using your result...
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