Madam Helga claims to be psychic. A national TV talk personality plans to test her in a
Fantastic news! We've Found the answer you've been seeking!
Question:
Madam Helga claims to be psychic. A national TV talk personality plans to test her in a live TV broadcast. The process will entail asking Madam Helga a series of 20 independent questions with Yes/No answers. The questions would be of the nature that she could not have any way of knowing the answer from prior knowledge. She will be considered psychic if she correctly answers more than a specified number (called the cut-off) of the questions. The cut-off must be above the expected number of correct answers. What would be the expected number if she was not psychic?
a. 12.
b. 14.
c. 10.
d. Can’t be determined without more information.
Related Book For
Statistics The Art and Science of Learning from Data
ISBN: 978-0321755940
3rd edition
Authors: Alan Agresti, Christine A. Franklin
Posted Date: