# Question: Refer to Example 12 Using a tree diagram given that

Refer to Example 12. Using a tree diagram, given that H0 is rejected, approximate P(Type I error) under the assumption that a true effect exists 20% of the time and that there’s a 30% chance of a Type II error.

## Answer to relevant Questions

a. An advertisement by Schering Corp. in 1999 for the allergy drug Claritin mentioned that in a clinical trial, the proportion who showed symptoms of nervousness was not significantly greater for patients taking Claritin ...In Example 13 for testing H0: p = 1/3 (astrologers randomly guessing) with n = 116 when actually p = 0.50, suppose we used Ha: p ≠ 1/3. Then show that: a. A Type II error occurs if 0.248 < p̂ < 0.419. b. The probability ...When the 2000 General Social Survey asked, “Would you be willing to pay much higher taxes in order to protect the environment?” (Variable GRNTAXES), 369 people answered yes and 483 answered no. (We exclude those who made ...The authorship of an old document is in doubt. A historian hypothesizes that the author was a journalist named Jacalyn Levine. Upon a thorough investigation of Levine’s known works, it is observed that one unusual feature ...Refer to the previous exercise. a. For which significance levels can you reject H0? (i) 0.10, (ii) 0.05, or (iii) 0.01. b. Based on the answers in part a, for which confidence levels would the confidence interval contain ...Post your question