Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Nine year old Emily Rosa conducted this test: A professional touch therapist put both hands by cardboard partition and Emily would employ a coin toss to randomly choose one of the hands. Emily would place her hand just above the hand of therpist, who was then asked to recognize the hand that Emily had selected. The touch therapists believed that they could sense energy field and recognize the hand that Emily had selected. The trial was repeated 280 times.(Based upon the data from " A close loooko at therapeutic touch," by rosa, Journal of American Medical Association

a. Supposing that the touch therapist have no special powers and made random guesses, find out the mean and standard deviation for numbers of correct responses in group of 280 trials.

b. The professional touch therapist recognized the correct hand 123 times in 280 trials. Is tha result unusual ? What does tht result suggest regarding the capability of touch therapists to choose the correct hand by sensing an energy field?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922412

Have any Question? 


Related Questions in Statistics and Probability

Suppose a researcher believes that college faculty vote at

Suppose a researcher believes that college faculty vote at a lower rate than college students. She collects data from 200 college faculty and 200 college students using simple random sampling. If 120 of the faculty and 1 ...

A reasearcher studying correctional treatment on 192 sex

A reasearcher studying correctional treatment on 192 sex offenders composed of 10 females and 182 males finds that 11 males along with 1 female had reoffended. He then calculated the percentages and find that 10% of fema ...

Lucerne earns a gross income of 5500 per month and applies

Lucerne earns a gross income of $5,500 per month and applies for a mortgage with a monthly PITI of $1,244. Lucerne has other financial obligations totaling $829 per month. (Use the ratio guidelines from your text) What t ...

The distribution of starting salaries of men who received

The distribution of starting salaries of men who received college degrees last year had a mean equal to 31000 and a standard deviation equal to 1200. A random sample of 36 starting salaries of women who received college ...

In a pulse rate research a simple random sample of 120 men

In a pulse rate research, a simple random sample of 120 men results in a mean of 80 beats per minute, and a standard deviation of 11 beats per minute. Based on the sample results, the researcher concludes that the pulse ...

A using the table of critical values of t in appendix a-2

a. Using the table of critical values of t in Appendix A-2, find the critical value of t for an experiment in which there are 28 participants, using an alpha level of .05 for a one-tailed test b. Find the critical value ...

If the difference between two means is not statistically

If the difference between two means is not statistically significant, how certain are you that the independent variable really does not affect the dependent variable?

Question at the first state bank the average savings

Question: At the first state bank the average savings account balance in 2004 was $1300 with a standard deviation of $80. A random sample of 45 savings account balances for 2005 yielded a mean of $1350. At the alpha=01 s ...

Assignment- inferences and linear regression1a left-tail

Assignment- Inferences and Linear Regression 1. A left-tail area in the chi-square distribution equals 0.95. For df = 10, the table value equals A. 18.307. B. 20.483. C. 3.940. D. 15.987. 2. Which of the following statem ...

It is noted that research falls into four basic categories

It is noted that research falls into four basic categories, depending on whether the goal is to describe patterns of behavior, thought, or emotion (descriptive research); to examine the relationship among naturally occur ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen