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Archy [21]
3 years ago
12

Sue answered 80% of 150 test questions correctly. How many questions did she not answered correctly?

Mathematics
2 answers:
Vinvika [58]3 years ago
4 0
150×80% (.80)=120 150-120=30 questions incorrectly
Vlada [557]3 years ago
3 0
.2 × 150 = 30 questions
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ikadub [295]

41.848/3.4=12.308


The actual building is 12.306 times larger than the model.

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3 years ago
Thanh purchased crawfish and shrimp at a local seafood market to use at her restaurant. At the market, crawfish cost $3 per poun
irina1246 [14]

Answer:

22 pounds

Step-by-step explanation:

c+s=52, c = 52-s

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3(52-s) +5s = 200

156 - 3s +5s = 200

5s-3s = 200-156

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3 0
3 years ago
2) The following table presents the probability distribution of the number of vacations X taken last year for a randomly chosen
algol [13]

The mean of the discrete probability distribution is of 1.28.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

Then, considering the given distribution, the mean is given by:

E(X) = 0(0.13) + 1(0.61) + 2(0.15) + 3(0.07) + 4(0.04) = 1.28.

More can be learned about the mean of a discrete probability distribution at brainly.com/question/24855677

3 0
2 years ago
Is (2, 1) a solution of y = 3x - 5
Aleks [24]
Yes 2,1 is a solution of this problem
8 0
3 years ago
Jimmy took out a loan for $5,600 to pay for a home repair the bank offered an interest rate of 4.75 % how much interest would sh
Serjik [45]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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