/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q31BSC In Exercises 29鈥�36, answer the... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q31BSC (page 1)

In Exercises 29鈥�36, answer the given questions, which are related to percentages.

Marriage Proposals In a survey conducted by TheKnot.com, 1165 engaged or married women were asked about the importance of a bended knee when making a marriage proposal. Among the 1165 respondents, 48% said that the bended knee was essential.

a. What is the exact value that is 48% of 1165 survey respondents?

b. Could the result from part (a) be the actual number of survey subjects who said that a bended knee is essential? Why or why not?

c. What is the actual number of survey respondents saying that the bended knee is essential?

d. Among the 1165 respondents, 93 said that a bended knee is corny and outdated. What percentage of respondents said that a bended knee is corny and outdated?

Short Answer

Expert verified

a. 559.2 respondents

b. No

c. 559 respondents

d. Approximately 8%

Step by step solution

01

Given information

TheKnot.com surveyed 1165 women who were either engaged or married. Of all the subjects, 48% responded that bended knee was essential for making a marriage proposal.

02

Finding the percent equivalent value

a.

Mathematically, x% sign means .

Then 48% of 1165 respondents are:

Thus, the exact value is 559.2 respondents.

03

Criteria for determining the actual count of responses

b.

The actual count in part (a) is 559.2, which is in decimal form.

However, the count of subjects who think that bended knee is essential should be a whole number.

Thus, the value of 559.2 cannot be the actual count of responses.

04

Determining the actual count of responses

c.

The decimal values can be converted to whole numbers using therounding-offrules.

Thus, the actual count of responses in the survey should be 559.

05

Computing the percentage

d.

It is known that 93 subjects responded that bending the knee is corny and outdated.

The fraction of 1165 women who consider bending the knee as corny and outdated is equivalent to .

The formula for determining the percentage from the fraction is:

Thus, approximately 8% of the women responded that bending the knee is corny and outdated.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Statistical Significance and Practical Significance. In Exercises 13鈥�16, determine whether the results appear to have statistical significance, and also determine whether the results appear to have practical significance.

Diet and Exercise Program In a study of the Kingman diet and exercise program, 40 subjects lost an average of 22 pounds. There is about a 1% chance of getting such results with a program that has no effect

Determine whether the sampling method appears to be sound or is flawed.

Clinical Trials. Researchers at Yale University conduct a wide variety of clinical trials by using subjects who volunteer after reading advertisements soliciting paid volunteers.

Falsifying Data A researcher at the Sloan-Kettering Cancer Research Center was once criticized for falsifying data. Among his data were figures obtained from 6 groups of mice, with 20 individual mice in each group. The following values were given for the percentage of successes in each group: 53%, 58%, 63%, 46%, 48%, 67%. What鈥檚 wrong with those values?

Determine whether the data are from discrete data or continuous data set.

McDonald鈥檚 In a study of service times at a McDonald鈥檚 drive-up window, the numbers of cars serviced each hour of several days are recorded.

What鈥檚 Wrong? In Exercises 25鈥�28, identify what is wrong.

Healthy Water In a USA Today online poll, 951 Internet users chose to respond, and 57% of them said that they prefer drinking bottled water instead of tap water.
See all solutions

Recommended explanations on Math Textbooks

Discrete Mathematics

Read Explanation

Mechanics Maths

Read Explanation

Statistics

Read Explanation

Geometry

Read Explanation

Calculus

Read Explanation

Logic and Functions

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.