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pashok25 [27]
3 years ago
13

Thomas sent out 1500 surveys about the towns favorite pizza parlor. He had 245 returned in week 1, 173 in week 2, 185 in week 3,

and 92 in week 4. How many more surveys need to be returned to Thomas after week 4? 245 603 695 805
Mathematics
2 answers:
Paha777 [63]3 years ago
8 0
It = 1,695 so Thomas has more than what he needed
musickatia [10]3 years ago
7 0
1500 total surveys sent
Returned: 245 + 173 + 185 + 92 = 695

1500-695 = 805
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antiseptic1488 [7]

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Suppose a bag contains 4 white chips and 6 black chips. What is the probability of randomly choosing a white chip, not replacing
Marysya12 [62]
There are 10 chips altogether. 4 of them are white.
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Comment
(my edit) it is not that 2/15 is wrong (although it is not entirely right).
1/3 is the correct answer if you assume that what happened during the first draw has nothing to do with what will happen on the second. It is like saying if you throw 11 heads in a row with a fair coin, what are the chances of throwing a heads on the 12th throw? The answer is 1/2. That is the same kind of question you have asked.

The two of us who have responded have really responded to what are the chances of drawing 2 white chips. The question really does not restrict us in a way that prevents us from saying that. I'll stick with
B <<<< answer
but I think it would be nice if the writer of the question made it clear that 1/3 should be the proper answer. I am glad you came back and posted the right answer. It makes me think. 

The semi right answer is B <<<<---- 

If my reasoning bothers anybody, I'll reedit again. I'm only leaving it because sometimes a mistake is more instructive than a given answer.
5 0
3 years ago
Read 2 more answers
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Hope this helps! ☺♥
8 0
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ehidna [41]
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slope-intercept form of your provided values:  
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Your answer is x+y=-2.
6 0
3 years ago
Read 2 more answers
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