I believe this would be a permutation but I'm not sure how to do it.

I believe this would be a permutation but I'm not sure how to do it.

I got 210 but my teacher said that was incorrect. What am I doing wrong?

This question is in my permutation and combination hw but I'm not sure how to do it.

I have a follow up. How would I calculate the e and o combinations that have an equal amount of e’s and o’s in any combination for example with 2 to the forth power there are 16 combinations but only...

I have a follow up. How would I calculate the e and o combinations that have an equal amount of e’s and o’s in any combination for example with 2 to the forth power there are 16 combinations but only...

How many codes with five letters can be made from the letters of D R A G O N F L Y if the first and last letters have to be vowels and each letter can only be used at most once? *210 *840 *240 *420 *None...

How to find numbers that are divisible by 4 or something else by permutations or combinations?

a) 196 b) 6 227 020 800 c) 479 001 600 d) 87 178 291 200 I put d, but the correct answer was b. Just want to know why.

Jsbdjsjsbsbdhdudjsjsndbdbhdjsjsndbdhd

I think the answer is 308 but I'm not sure.

Permutations question from a quiz review sheet (Gr. 12 Data Management)

Elevel choose three is equal to? seventeen permutation six is equal to?

what is the answer

A restaurant has 3 appetizers, 8 Main courses, 4 sides, 4 vegetable choices, and 6 dessert choices. How many ways could a diner create a meal containing exactly one item from each category? ...

A table is set with 13 large numbered (and thus distinguishable) bins. We have 5 red balls (indistinguishable ones) and 8 blue balls (also indistinguishable). We are interested in the...

Permutations rule when some items are identical to others

I used the following method and got the right answer: What I did was removed 4 of the 12 stations leaving 8 stations and 9 gaps, then I selected 4 out of 9 gaps giving me 9C4 please explain...

c) Allowing for unlimited repeats, what is the probability if we selected a 7 letter arrangement at random that it would contain no repeated letters? d) How many 7 letter arrangements...

I was thinking it may be 10!/5! but am not sure

a rectangular table has 4 seats on one side and 3 seats on the opposite side. a family of 7 consist of 2 grandparents, 2 parents and 3 children are to be seated at the table. In how...

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