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swat32
3 years ago
5

10-5(9n-9) simplify the expressions

Mathematics
1 answer:
eduard3 years ago
8 0

Answer:

−45n+55

Step-by-step explanation:

10-5(9n-9)

distribute -5 into (9n-9)

10-45n+45

combine like terms

10+45=55

-45n+55

hope this helps

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An optical inspection system is used to distinguish among different part types. The probability of a correct classification of a
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Answer: \mu=2.88\ \&\ \sigma^2=0.115

Step-by-step explanation:

Given : The probability of a correct classification of any part is : p=0.96

sample size : n= 3

The formula to find the mean and variance for binomial distribution is given by :-

\mu=np\\\\\sigma^2=np(1-p)

Let the random variable X denote the number of parts that are correctly classified.

The, for the given situation, we have

\mu=3(0.96)=2.88\\\\\sigma^2=(3)(0.96)(1-0.96)=0.1152\approx0.115

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4 0
4 years ago
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3 years ago
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7 0
3 years ago
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I hope this helps you


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