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Tresset [83]
2 years ago
10

There are 10 dark chocolates, 8 milk chocolates, and 7 sea salt caramel chocoaltes and 8 crunch almond chocolates in a mixed fla

vor Dove chocolate bag. What is the probability of randomly choosing a dark chocolate?
Mathematics
1 answer:
borishaifa [10]2 years ago
5 0

Answer:

10/33 there 33 chocolates in the bag but only 10 are dark chocolate

Step-by-step explanation:

<h2><u><em>Happy To Help!!!</em></u></h2>
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During an experiment, some water was removed from each of the 6 water tanks. If the standard deviation of the volumes of water i
Julli [10]

Answer:

First statement is correct.

Step-by-step explanation:

If we add or subtract a constant to each term in a set:  Mean will increase or decrease by the same constant.  Standard Deviation will not change.

If we increase or decrease each term in a set by the same percent (multiply all terms by the constant):  Mean will increase or decrease by the same percent.  Standard Deviation will increase or decrease by the same percent.

For example:

Standard Deviation of a set: {1,1,4} will be the same as that of {5,5,8} as second set is obtained by adding 4 to each term of the first set.

That's because Standard Deviation shows how much variation there is from the mean. And when adding or subtracting a constant to each term we are shifting the mean of the set by this constant (mean will increase or decrease by the same constant) but the variation from the mean remains the same as all terms are also shifted by the same constant.

So according to this rule, statement (1) is sufficient to get new Standard Deviation, it'll be 30% less than the old.. As for statement (2) it's clearly insufficient as knowing mean gives us no help in getting new Standard Deviation.

6 0
3 years ago
A new lawn has a perimeter of 278ft. And a width of 64ft. A bag of grass seed will cover 384ft of ground. How many bags of grass
Anit [1.1K]

Answer:

13 bags

Step-by-step explanation:

Area of the lawn: A=lw

w= 64 ft

P= 2(l+w)= 278 ft ⇒

  • l= 278/2- 64= 75 ft
  • A= 64*75= 4800 ft²

bags of seed required:

  • 4800/384= 12.5 so 13  full bags needed
7 0
3 years ago
Bob is on the school swim team and has practice 4 days per week. He has to practice twice per day, in the morning and in the eve
mylen [45]

Answer:

1h every morning

Step-by-step explanation:

3 0
2 years ago
The half-life of a radioactive kind of barium is 3 minutes. How much will be left after 6
Alexus [3.1K]

Answer:

20 Grams will be left after 6 minutes.

Step-by-step explanation:

7 0
2 years ago
What is 9/6?(in case you don't know, this sign / is division)<br><br> SHOW YOUR WORK!
Advocard [28]
I think it's 1.5                                                                                                      Good luck
8 0
3 years ago
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