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

Hypothesesh0 there is no correlation between hours walking

Hypotheses H0 There is no correlation between hours walking and weight loss. H1 There is a positive correlation between hours walking and weight. H2 There is a negative correlation between hours walking and weight loss. ...

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 ...

Throughout the early 1800s the influence of

Throughout the early 1800's the influence of industrialization and the repeated subjugation of Native Indians and slaves caused people to reflect on their role in society and attempt to reform elements of their daily liv ...

If the results of a t-test lead you to reject the null

If the results of a t-test lead you to reject the null hypothesis, what is the probability that you have made a Type II error?

Statistics paperthe final paper provides you with an

STATISTICS Paper The Final Paper provides you with an opportunity to integrate and reflect on what you have learned during the class. The question to address is: "What have you learned about statistics?" In developing yo ...

This exercise generalizes exercise 925 let n y fi fii s p

This exercise generalizes Exercise 9.25. Let (N, Y, F I , F II , s, P) be an Aumann model of incomplete information with beliefs in which N = {I, II} and let A ⊆ Y be an event. Consider the following process: Player I in ...

Imagine that you want to know whether the sat is biased

Imagine that you want to know whether the SAT is biased against Group X and in favor of Group Y. You administer the SAT to members of the two groups; then, 4 years later, you examine the correlations between SAT scores a ...

Tables or graphsusing the internet the text or another

Tables or Graphs Using the Internet, the text, or another reliable source such as a newspaper or periodical site, (not a scholastic or school site like Khan Academy and not Wikipedia), research some important data that h ...

1 draw a negatively skewed distribution2 what does it

1. Draw a negatively skewed distribution. 2. What does it indicate if a participant has a z-score of 2.5? -.80? .OO?

A citys mean minimum daily temperature in february is 27

A city's mean minimum daily temperature in February is 27 degrees F. Suppose the standard deviation of the minimum temperature in February is 4 degrees F and that the distribution of minimum temperatures in February is a ...

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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