Explore BrainMass

Explore BrainMass

    Combinations

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    An admission test given by a university contains 10 true-false questions. Eight or more of the questions must be answered correctly in order to be admitted.

    (a) How many different ways can the answer sheet be filled out?

    (b) How many different ways can the answer sheet be filled out so that 8 or more questions are answered correctly?

    © BrainMass Inc. brainmass.com March 4, 2021, 5:39 pm ad1c9bdddf
    https://brainmass.com/math/combinatorics/working-combinations-admission-tests-4327

    Solution Preview

    a) If for each question there are only 2 options--yes or no then 10 questions can have 2^10=1024 possible ways.
    b) We can simply count the 3 ...

    Solution Summary

    This solves two questions regarding a true-false test and the possible ways to fill it out.

    $2.49

    ADVERTISEMENT