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ollegr [7]
3 years ago
7

Please help with this math problem, lost in the sauce over here.

Mathematics
1 answer:
lilavasa [31]3 years ago
5 0

Answer:

the answer i got was 501600

Step-by-step explanation:

I divided 330000 by 100 and then multiplied that answer by 4 and then times that by 13.

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A test consists of 10 true or false questions. To pass the test a student must answer at least eight questions correctly. If the
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<h3>The probability of  student passing the quiz with  at least 50% of the questions correct is 0.05457.</h3>

Step-by-step explanation:

Here, the total number of T/F question = 10

The minimum answers needed correctly answered = 8

So, student needs to answer at least 8 questions correctly.

Here, the possibility of answering a question correctly  = (\frac{1}{2})   = p = 0.5

Also, the possibility of answering a question wrong  = (\frac{1}{2})  = q = 0.5

Now, to pass he needs to answer 8 or more (  8 , 9 or 10) answers correctly.

P(answering 8 correct answer)  = ^{10}C_8(p)^8(q)^2 = ^{10}C_8(0.5)^8(0.5)^2  = 0.0439

P(answering 9 correct answer)  =  ^{10}C_9(p)^9(q)^1 = ^{10}C_9(0.5)^9(0.5)^1  = 0.0097

P(answering 10 correct answer)  = ^{10}C_{10}(p)^{10}(q)^0 = ^{10}C_{10}(0.5)^{10}(0.5)^0  = 0.00097

So, the total Probability   = P(8) + P(9) + P(10)

= (0.0439) + (0.0097) + (0.00097)

= 0.05457

Hence, the probability that the student passes the quiz  with  at least 8 of the questions correct is 0.05457.

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3 years ago
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maks197457 [2]

Answer:

i think its 180 degrees.

Step-by-step explanation:

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2 years ago
Darío buys applesauce cups for a family reunion. He needs 23 cups, and he buys them in packs of 6. How many packs does Dario nee
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Step-by-step explanation:

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12x + 4x + 20

4(3x + x + 5)

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The answer to this question that you have me would be 5|x|-7=7 will equal to x=2
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