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Orlov [11]
3 years ago
9

After taxes, Darius made $18,518.50 for winning the national fortnite competition. If taxes were 50% how much did Darius win

Mathematics
1 answer:
Elan Coil [88]3 years ago
5 0
$9,259.25 would be the answer
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A production process produces 2% defective parts. A sample of nine parts from the production process is selected. What is the pr
Natasha_Volkova [10]

Answer:

a. .0125

Step-by-step explanation:

For each part, there are only two possible outcomes. Either it is defective, or it is not. The probability of a part being defective is independent of any other part. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

2% defective parts.

This means that p = 0.02

A sample of nine parts from the production process is selected.

This means that n = 9

What is the probability that the sample contains exactly two defective parts?

This is P(X = 2).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 2) = C_{9,2}.(0.02)^{2}.(0.98)^{7} = 0.0125

0.0125 = 1.25% probability that the sample contains exactly two defective parts. The correct answer is given by option a.

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2 years ago
Eli Whitney invented the the cotten gin
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He did. Are you asking to make sure?

6 0
3 years ago
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Six times a number plus 7 is equal to 55. What is the number?
valkas [14]

Answer:

6x_+7=55, the answer is 13, why? well because if you add 6+7 you will have 13, now you can multiple that by 5, and you will have 55 as an answer, did I helped you?

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2 years ago
What is the value of x? x/4-5=6
ivann1987 [24]
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2 years ago
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Find the sum. 1. -7+(-5) <br> O-12 <br>O-2 <br>0 2 <br>0 12​
AleksAgata [21]

Answer:

-12

Step-by-step explanation:

-7+(-5)=

-7-5=

-12

7 0
3 years ago
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