The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7to 12). One question asked was "What do you think are the chances you will be married in the next10 years?" Here is a two-way table of the responses by gender:HP SAssOpinionFemaleMalechaAlmost no chance119114139156Some chance but probably notA 50-50 chance446493A good chanceAlmost certain7187281177759a. How many individuals are described in this table?b. How many females were among the respondents?C. The percent of females among the respondents was about

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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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In a scatter diagram of the data of 50 participants, how many points are plotted? A. 5 B. 25 C. 50 D. 100
The annual incomes of five people are presented in the table below. When measuring the income distribution in quintiles, which income amount would be considered part of the fourth quintile? Please type the income exactly as presented in the table. Weston $10, 000 Violet $30, 000 Luke $15, 000 Alex $50, 000 Madison $25, 000 Provide your answer below:
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C6. How many hours per week do you spend on e-mail? Data are presented here for a GSS sample of 99 men and women, who each reported the number of hours they spent per week on e-mail. a. Compute the cumulative frequency and cumulative percentage distribution for the data. b. What proportion of the sample spent 3 hours or less per week on e-mail? C. What proportion of the sample spent 6 or more hours per week on e-mail? d. Construct a graph that best displays these data. Explain why the graph you selected is appropriate for these data. E-mail Hours per Week Frequency 19 20 1 13 2 2 4 6. 6. 2 8. 1 6. 23 10 or more 7.
2- Use the frequency histogram to: a. Determine the number of classes. b. Estimate the frequency of the class with the least frequency. c. Estimate the frequency of the class with the greatest frequency. d. Determine the class width. 12 10 8 4 6.75 9.75 12.75 15.75 18.75 Depth (cm) 00 6. Frequency
Social media is becoming more and more popular around the world. Suppose a website provides estimates of the number of social media users in various countries. Assume that the results for surveys in the United Kingdom, China, Russia, and the United States are as follows. Use Social Media Yes No United Kingdom 480 320 Country China Russia 235 265 343 Need Help? 357 O Ho: All population proportions are not equal. H₂: P₁ = P₂ = P3 = P4 Read It OHO: Not all population proportions are equal. Ha: P₁ = P₂ = P3 = P4 (a) Conduct a hypothesis test to determine whether the proportion of adults using social media is equal for all four countries. State the null and alternative hypotheses. O Ho: P₁ = P₂ = P3 = P4 H₂: Not all population proportions are equal. United States 620 380 Ho: P₁ = P₂ = P3 = P4 H: All population proportions are not equal. Find the value of the test statistic. (Round your answer to two decimal places.) What is the p-value? (Round your answer to four decimal places.) p-value =…
INSTRUCTION: Ask the ages of your 10 relatives (parents, siblings, cousins, aunt, uncle and the like). Present the ages in tabular form then compute the MEAN, MEDIAN and MODE of ungrouped data. Show your solution HERE ↓↓↓↓ Name of your relatives Josephine 47 Richard 46 B-jay 24 17 Mary Magaret segrich 9 Cronica Lyra 1 Jamielou 11 Mary Joice 25 Precious 7 Answer the following: 1. What is the oldest age? 2. Who is your youngest relative? 3. What is the average age? 4. What is the most frequent age? 5. What can you conclude about the data collected? Ages Scoring Rubrics MEAN MEDIA N MODE
1. In 1990 Central College's marching band had 50 women and 40 men as members; in 2010 the Central band had 60 women and 50 men. a. Find the percent of women in the band in 1990 and 2010. b. Find the change in percent of women in the band from 1990 to 2010. c. Find the change in the number of band members from 1990 to 2010. d. Find the percent change in the size of the band from 1990 to 2010. e. Find the percent change in the number of women band members from 1990 to 2010. f. Find the percent change in the percent of women band members (relative change) from 1990 to 2010.

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a. How many individuals are described in this table? b. How many females were among the respondents? c. The percent of females among the respondents was about 96.