Friday

December 19, 2014

December 19, 2014

Posted by **m** on Monday, February 10, 2014 at 11:50am.

A student guesses the answer to every question. Find the chance that he guesses correctly between four and seven times.

Find the minimum score the instructor can set so that the probability that a student will pass just by guessing is 20% or less.

**Answer this Question**

**Related Questions**

Stats - A student takes a 32 question multiple choice exam but did not study and...

Statistics - A student is taking a multiple-choice exam with 16 questions. Each ...

Math - 10 multiple choice questions each with three possible answers only one of...

Binomial Distribution - A biology quiz consists of twelve multiple-choice ...

Finite Math - A biology quiz consists of 10 multiple -choice questions. 7 must ...

Statistics - Richard has been given a 5-question multiple-choice quiz in his ...

statistics - Richard has been given a 5-question multiple-choice quiz in his ...

Statistics - A 50-question true-false exam is given. Each correct answer is ...

Statistics - Over time, a student analyzes her ability to guess correctly after ...

stats - a student randomly guesses at five multiple-choice questions, each ...