Homework: Homework 8-Chapter 9 online part Score: 0 of 5 pts 9.2.18-T HW Score:
ID: 3365668 • Letter: H
Question
Homework: Homework 8-Chapter 9 online part Score: 0 of 5 pts 9.2.18-T HW Score: 40.28%, 7.25 of 18 pts Question Help touch (TT) practioners claim to perceive an energy field above a patents skin To test this claim a TT practitioner was blind-folded and the researcher placed her hand over either the nght or left hand of the practtioner Let p denote the probability of a correct prediction by a TT practitioner. An experiment used 14 TT practitioners who had to predict the correct hand in each of 12 B e- standard deviation of correct guesses C H average number of correct guesses Set up the hypotheses for the hypothesis test (Type integers or decmals Do not round b. The 168 tials had 97 conrect guesses Find and interpret the test statistc (Round to two decimal places as needed ) A. The tost statwhach roprosents the diflerence botwoen the sample estimato and the nul pypothesis vatue O B. The 11.. 1 1.1 | Ja!:/ l '. Icu) | More 5 Clear AllExplanation / Answer
H0: p = 0.5
H1: p > 0.5
pcap = 97/168 = 0.57738
SE = sqrt(0.5*0.5/168) = 0.03857
Test statistics, z = (pcap - p)/SE = (0.57738 - 0.5)/0.03857 = 2.006
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.