User Account

All Pages

Find the percentage who reported seeing a ghost

Assignment Help Basic Statistics
Reference no: EM131724152

Question: The Roper Organization (1992) conducted a study as part of a larger survey to ascertain the number of U.S. adults who had experienced phenomena such as seeing a ghost, "feeling as if you left your body," and seeing a UFO. A representative sample of adults (18 and over) in the continental United States were interviewed in their homes during July, August, and September 1991. The results when respondents were asked about seeing a ghost are shown in the following table:

                              Reportedly Has Seen a Ghost

                              Yes           No            Total

Aged 18 to 29           212          1313           1525

Aged 30 or over         465          3912           4377

Total                       677           5225           5902

a. In each age group, find the percentage who reported seeing a ghost.

b. What is the relative risk of reportedly seeing a ghost for adults under 30 compared to adults 30 and over? Write your answer in a sentence that could be understood by someone who knows nothing about statistics.

c. Repeat part (b) using increased risk instead of relative risk.

d. What are the odds of reportedly seeing a ghost to not seeing one in the older group?

Reference no: EM131724152

Questions Cloud

What type of decision is raquel facing : 1. State clearly the problem. What type of Decision is Raquel facing? 2. Identify the alternatives and state of nature.
What condition required the change in methodology : What condition required the change in methodology? Is the firm still maximizing profit? Is the condition for an optimum allocation of resources being met?
Analyze your case study using the theories concepts : Analyze your case study using the theories and developmental concepts.Develop a case study by creating a scenario involving a child.
Discuss points for evaluating your performance : Your instructor will use the following points for evaluating your performance in this assessment
Find the percentage who reported seeing a ghost : The Roper Organization (1992) conducted a study as part of a larger survey to ascertain the number of U.S. adults who had experienced phenomena such as seeing.
Manufactures and sells different types of computer paper : The Hartley Paper Company, owned and operated by Bill Hartley, manufactures and sells different types of computer paper.
Identify a prospective idea for development as an android : For your Portfolio Project, you will identify a prospective idea for development as an Android mobile application.
Understanding business research terms-concepts : Can someone please help me with this assignment and lead me in the right direction? I am currently taking RES/351 Business Research.
Discuss compromise the http handling code : Propose a design change that prevents attackers from stealing zoobars even if they compromise the HTTP handling code

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine the probability that for a randomly chosen day

Suppose the daily amount of solar radiation in Los Angeles is normally distribution with mean 450 calories and standard deviation 50. Determine the probability that for a randomly chosen day, the amount of solar radiation is between 350 and 550.

  New customers in a month

The store manager offers both Lisa and Brad a $90 incentive bonus if they can sign in more than 90 new customers in a month. Assume a normal distribution to answer the following questions. Use Table 1.

  Evaluation of project and presentation for general statistic

The title of statistics project is very necessary. The Aims of your project are the key for the project work details. A data in any project without aims is not considered as statistical data.

  Assume the stock prices are normally distributed

1.In 2003, the average stock price for companies making up the S&P 500 was $30, and the standard deviation was $8.20 (BusinessWeek, Special Annual Issue, Spring 2003). Assume the stock prices are normally distributed.

  What is the probability that they will meet

Two friends are to meet at the library. Each independently and randomly selects an arrival time within the same one-hour period. Each agrees to wait a maximum of ten minutes for the other to arrive. What is the probability that they will meet?

  Random sample is selected from a normal population

A random sample is selected from a normal population. The population mean is 60 and the standard deviation is 15. after treatment the sample mean is 65. the sample size is 25.

  Consider a random sample of 100 dentists and let x

dentists use of anesthetics. a study published in current allergy amp clinical immunology mar. 2004 investigated

  A regression equation is obtained for a set of data points

compute the coefficient of determination. round your answer to four decimal places. a regression equation is obtained

  Value of probability having sample mean

A random sample of n = 16 scores is selected from a normal distribution with a mean of μ = 50 and standard deviation of σ = 10. a) What is the probability that the sample mean will have a value between 45 and 55?

  Difference between the two groups

A researcher is interested in whether or not hours studied is different for boys and girls. Is there a significant difference between the two groups?

  How large sample of bedroom apartments to find mean for rent

How large a sample of one-bedroom apartments would be needed to estimate the mean within $20 with 90% confidence?

  Amount of slack associated with the first constraint

At the optimal solution, what is the amount of slack associated with the first constraint?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd