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Mathematics 7 Online
OpenStudy (anonymous):

The letters in the word Paris are written on slips of paper and placed in a bag. Each letter will be put back after it is drawn. What is P(r, then vowel)? a) 1/5 b) 2/5 c) 3/5 d) 2/25 A basket contains 5 green lollipops, 12 red lollipops, and 7 orange lollipops. When a lollipop is taken from the basket, it is not replaced. What is P(orange, then orange)? a) 42/576 b) 42/552 c) 7/24 d) 14/48 There are 5 different cookies in a bag. One of them is your favorite, chocolate chip. What is the probability that you will not get your favorite? a) 1/5 b) 2/5 c) 24/25 d) 4/5

OpenStudy (anonymous):

You roll a pair of number cubes and then flip a coin. Is this an example of independent or dependent events? a) independent b) dependent What are the odds in favor of picking an S? a) 4:11 b) 2:11 c) 4:7 d) 7:4

OpenStudy (anonymous):

1) how many letter are there in the word paris?

OpenStudy (anonymous):

1 2 3 4 5 P A R I S 5 Letters

OpenStudy (anonymous):

good. how many of them are vowels?

OpenStudy (anonymous):

A I 2 Vowels

OpenStudy (anonymous):

good. so, probability of getting a vowel = (number of vowels) / (total number of letters) = ?

OpenStudy (anonymous):

For sure D is not the answer right?

OpenStudy (anonymous):

no. answer = number of vowels / total number of letters

OpenStudy (anonymous):

So, The answer is letter 2/5?

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

Yay...

OpenStudy (anonymous):

Q 2) how many lolipops in all ?

OpenStudy (anonymous):

They are 24 Lollipops In Total

OpenStudy (anonymous):

good. out of them how many orange ones?

OpenStudy (anonymous):

Count how many orange are they ?

OpenStudy (anonymous):

yep. its given.

OpenStudy (anonymous):

OK

OpenStudy (anonymous):

It says they are 7 oranges

OpenStudy (anonymous):

good. so, when you pick a lolipop, the chances of it being orange is: \(7\over 24\) now we are left with 23 lolipops out of which 6 are orange the chance of picking up another orange lolipop = \(6\over 23\)

OpenStudy (anonymous):

so, to have both the lolipop, your chances are: \[{7\over24}\times {6\over 23}=?\]

OpenStudy (anonymous):

kapeesh?

OpenStudy (anonymous):

I'm confused

OpenStudy (anonymous):

Is it C

OpenStudy (anonymous):

Anyone

OpenStudy (anonymous):

Never mind

OpenStudy (anonymous):

5..4...3..2..1..0 CLOSE

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