![SOLVED: Take another guess: A student takes multiple-choice test that has 7 questions: Each question has five choices. The student guesses randomly at cach answer: LetX be the number of questions answered SOLVED: Take another guess: A student takes multiple-choice test that has 7 questions: Each question has five choices. The student guesses randomly at cach answer: LetX be the number of questions answered](https://cdn.numerade.com/ask_images/6f2d7f50cad64e6387b160d2fe302acb.jpg)
SOLVED: Take another guess: A student takes multiple-choice test that has 7 questions: Each question has five choices. The student guesses randomly at cach answer: LetX be the number of questions answered
![SOLVED: If a true-false test with 15 questions is given, what is the probability of scoring (A) Exactly 80% just by guessing? (B) 80% or better by just guessing? (A) P(exactly 80%)= ( SOLVED: If a true-false test with 15 questions is given, what is the probability of scoring (A) Exactly 80% just by guessing? (B) 80% or better by just guessing? (A) P(exactly 80%)= (](https://cdn.numerade.com/ask_previews/d2600701-baac-4ed1-8bb1-c1f3fe809240_large.jpg)
SOLVED: If a true-false test with 15 questions is given, what is the probability of scoring (A) Exactly 80% just by guessing? (B) 80% or better by just guessing? (A) P(exactly 80%)= (
![Don't Guess. Test.” Campaign Aims to Educate Patients About Comprehensive Genomic Testing in Lung Cancer | Lung Cancer Master Protocol Don't Guess. Test.” Campaign Aims to Educate Patients About Comprehensive Genomic Testing in Lung Cancer | Lung Cancer Master Protocol](http://www.focr.org/sites/default/files/dont%20guess%20test.jpg)