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Naily [24]
3 years ago
15

Alvin makes pillows for his room he buys 4.5 feet of fabric for 9.60 what is the cost of the fabric per yard?

Mathematics
1 answer:
Rudiy273 years ago
7 0
$6.40 hhhhhhhhhhhgghhhhhhh
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3. A postcard has an area of 24 square inches. Two enlargementsof the postcard have areas of 54 square inches and 96 square inch
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Mazyrski [523]
<h3>Answer: Choice C</h3>

Yes they are independent because P(California) = 0.55 approximately and P(California | Brand B) = 0.55 approximately as well

===================================================

Explanation:

P(California) is notation that means "probability the person is from California". There are 150 people from California out of 275 total. Therefore, the probability is 150/275 = 0.5454 approximately which rounds to 0.55

Now if I told you "this person prefers brand B", then you would focus your attention solely on the brand B column. The other columns are ignored because you know they don't prefer anything else. With this narrower view, we see that 54 Californians prefer this brand out of 99 total. The probability becomes 54/99 = 0.5454 which rounds to 0.55. We get the same as before.

The notation P(California | Brand B) means "the probability they are from California given they prefer brand B". The vertical line is not the uppercase letter i or lowercase letter L. It is simply a vertical line. In probability notation that vertical line means "given".

We've shown that P(California | Brand B) = 0.55 approximately. The fact that they prefer brand B does not change the original probability. So the two events are independent. If liking brand B did change the probability, then the events would be dependent.

3 0
3 years ago
Rewrite 3/4x+2=9/10 so that it doesn’t have fractions
tamaranim1 [39]

Answer:

0.75x+2=0.9

Step-by-step explanation:

To make the fractions into decimals, you divide the numerator by the denominator. So 3/4 would be 3 divide 4, which gets you 0.75. You would do the same with 9/10, dividing 9 and 10, which will get you 0.9. So it'll be 0.75x+2=0.9!

6 0
3 years ago
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