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Mathematics 21 Online
Nicole:

http://prntscr.com/iwm6id

Nicole:

@Marziman

Marziman:

Hmmm well let's lay out the options for our sample space, we have 5 people in total, 2 people will guards and we're looking at 1 specific person...There are 4 possibilities per person so we actually have 10 different outcomes.

Marziman:

Sorry, not 4 possibilities per person. There are only 10 options here.

Nicole:

Okay so thats for number 1 right?

Marziman:

Soooooo we have a 1:10 chance here.

Marziman:

Since it's a 10% chance, like the last question it's neither likely nor unlikely. This is just like that first question.

Marziman:

Amy bess, amy cassie, amy diana, amy ellen Bess cassie, bess diana, bess ellen, Cassie diana, cassie ellen Diana ellen These are your statistical outcomes, it's more appropriate to do 1:10 instead of 2:20 because if we do 20 options, which would be 4 per person, you'd have repeats. For example, Amy Bess, Amy Cassie, Amy Diana, Amy Ellen Bess Amy, Bess Cassie, Bess Diana, Bess Ellen Cassie Bess, Cassie Diana, Cassie Amy, Cassie Ellen Diana Cassie, Diana Amy, Diana Bess, Diana Ellen Ellen Cassie, Ellen Bess, Ellen Amy, Ellen Diana See how there are repeats? If you do 1:10 it's much better

Nicole:

Ohh ok...so can you divide the questions please cuz its a little confusing lmao

Marziman:

#2 you have these as your outcomes Amy bess, amy cassie, amy diana, amy ellen Bess cassie, bess diana, bess ellen, Cassie diana, cassie ellen Diana ellen

Marziman:

#3 1:10 OR 1/10 which gives you .1 as a decimal value or 10% success.

Marziman:

#4 it is neither unlikely nor likely that she'd be selected as a guard given the 10% chance of success

Nicole:

okay thank you... im going to post the next one in a different post

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