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Mathematics 7 Online
OpenStudy (nuccioreggie):

Olivia rolls two fair number cubes numbered from 1 to 6. She first defines the sample space as shown below: (1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6) (2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6) (3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6) (4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6) (5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5, 6) (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6) Based on the sample space, what is the probability of getting a total of 10? 4 over 36 5 over 36 6 over 36 7 over 36

OpenStudy (nuccioreggie):

@Michele_Laino

OpenStudy (nuccioreggie):

I think its A or C

OpenStudy (unklerhaukus):

which combinations add to ten?

OpenStudy (nuccioreggie):

@Michele_Laino

OpenStudy (michele_laino):

I think that only the subsequent ordered pairs have a total of 10: (4,6), (6,4) and (5,5)

OpenStudy (michele_laino):

Please wait I ask to another helper

OpenStudy (michele_laino):

@ganeshie8 please help

OpenStudy (michele_laino):

@Abhisar please help

OpenStudy (michele_laino):

@thomaster please help

OpenStudy (nuccioreggie):

Ugh

OpenStudy (michele_laino):

@DanJS please help

OpenStudy (nuccioreggie):

There are 3 cards with a picture of a rose and 1 card with a picture of a daisy. Melody keeps all the cards face down on a table with the pictures hidden and mixes them up. She then turns over one card face up and finds the picture of a rose on it. She removes this card from the table and turns over another card without looking. What is the probability that the card that Melody turns over has a rose on it? 1 over 3 1 over 2 2 over 3 3 over 4

OpenStudy (michele_laino):

@radar please help

OpenStudy (nuccioreggie):

Whats the answer choices for that?

OpenStudy (nuccioreggie):

There are 3 cards with a picture of a rose and 1 card with a picture of a daisy. Melody keeps all the cards face down on a table with the pictures hidden and mixes them up. She then turns over one card face up and finds the picture of a rose on it. She removes this card from the table and turns over another card without looking. What is the probability that the card that Melody turns over has a rose on it? 1 over 3 1 over 2 2 over 3 3 over 4

OpenStudy (michele_laino):

the reqiested probability is: p= favorable outcomes/ possible outcomes=...?

OpenStudy (michele_laino):

hint: there are 3 favorable outcomes

OpenStudy (nuccioreggie):

C or B @Michele_Laino

OpenStudy (michele_laino):

possible outcomes= 4

OpenStudy (nuccioreggie):

So its A @Michele_Laino

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