Saturday

February 28, 2015

February 28, 2015

Posted by **Anonymous** on Wednesday, April 9, 2014 at 4:56pm.

(a) the first two questions;

(b) the first or second questions but not both;

(c) exactly 3 out of the first 5 questions

(d) at least 3 of the first 5 questions

EXCEPTIONS!!!!!!!!!!:

PLEASE DO NOT SOLVE THE PROBLEM!!!

- Math(Factorial) -
**bobpursley**, Wednesday, April 9, 2014 at 5:01pmhow many possible answers are there to each question?

- Math(Factorial) -
**dddd47906**, Wednesday, April 9, 2014 at 5:09pmyou must find out how many ways and also following the rules a,b,c, and d.

P.S. dddd47906 is me! i just signed up...

- Math(Factorial) -
**bobpursley**, Wednesday, April 9, 2014 at 5:11pmdo you mean <answer correctly>?

If each question has 5 answers, there are five ways to answer each question. How many possible answers are there to each question?

- Math(Factorial) -
**dddd47906**, Wednesday, April 9, 2014 at 5:16pmShe must answer a, b, c, and d. You have to answer how many choices she has to answer 10 out of 13 questions while she must answer a, b, c, and d.

- Math(Factorial) -
**bobpursley**, Wednesday, April 9, 2014 at 5:20pmPerhaps we are using a,b,c,d too many times. You have a,b,c,d listed in the questions as part of the question itself. Is there also 4 possible answers to each question?

- Math(Factorial) -
**dddd47906**, Wednesday, April 9, 2014 at 5:26pmjust to say then- How many ways can she do 10(I MEAN 10!) out of 13 questions also doing (a), (b), (c), and (d)?

- Math(Factorial) -
**bobpursley**, Wednesday, April 9, 2014 at 5:43pmthe number of distinct anagrams of the word MISSISSIPPI is:

11!}{1!4!4!2!}.

a. so answering the first two, you have 11 left, of which 8 are answered, 3 are not.

number ways: 11!/(8!3!)

b. first or second, but not both

first answered, third not: You have 9 to answer, out of 11 choices 11!/9!2!

third answered, first not: same as above.

total ways: add the two.

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