When she was 9 years of age a girl did a science fair

Last updated: 6/29/2023

When she was 9 years of age a girl did a science fair experiment in which she tested professional touch therapists to see if they could sense coin to select either her right hand or her left hand and then she asked the therapists to identify the selected hand by placing their hand just under her hand without seeing it and without touching it Among 280 trials the touch therapists were correct 123 times Use a 0 10 significance level to test the claim that touch therapists use a method equivalent to random guesses Do the results suggest that touch therapists are effective wyprawy wy Identify the test statistic 2 2 03 Round to two decimal places as needed Identify the P value P value 0 042 Round to three decimal places as needed State the conclusion about the null hypothesis as well as the final conclusion that addresses the original claim Address whether the results suggest that touch therapists are effective The results sufficient evidence to the null hypotheses There that touch therapists are effective the claim that touch therapists use a method equivalent to random guesses