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statuscvo [17]
3 years ago
8

86,700,000-3.45•10^7

Mathematics
1 answer:
RoseWind [281]3 years ago
7 0

Answer:8.65

Step-by-step explanation:

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8. A company makes electronic components for TV's. 95% pass final inspection (and 5% fail and need to be fixed). 120 components
Taya2010 [7]

Using the binomial distribution, it is found that the variance of the number that pass inspection in one day is 5.7.

For each component, there are only two possible outcomes, either it passes inspection, or it does not. The probability of a component passing inspections is independent of any other component, hence, the binomial distribution is used to solve this question.

Binomial probability distribution

Probability of <u>exactly x successes on n repeated trials, with p probability</u>, and has variance given by:

V(X) = np(1 - p)

In this problem:

  • 95% pass final inspection, hence p = 0.95
  • 120 components are inspected in one day, hence n = 120.

The variance is given by:

V(X) = np(1 - p) = 120(0.95)(0.05) = 5.7

The variance of the number that pass inspection in one day is 5.7.

To learn more about the binomial distribution, you can take a look at brainly.com/question/24863377

3 0
2 years ago
What is the additive inverse of 22?<br><br> 1. 22<br> 2. -22<br> 3. -(-|-22|)<br> 4. -(-(-(-22)))
Mashutka [201]

Answer:

the additive inverse of 22 is -22

6 0
3 years ago
Read 2 more answers
Given log4(3) =0.7925 and log4(5) =1.1610, use log properties to find log4(300).
Ede4ka [16]

Answer:

4.1145

Step-by-step explanation:

You can use the following formula to solve this kind of problems,

log_{a}(b)  +  log_{a}(c)  =  log_{a}(bc)

So, let's start of with log4_(300). Since the question have already gave log4_(3) =0.7925 and log4_(5) =1.1610. It means that you have to split the 300 into the simplest form where almost all of the numbers are 3 and 5.

log_{4}(300)  =  log_{4}(4 \times 5 \times 3 \times 5)  \\  =  log_{4}(4)  + log_{4}(5)  + log_{4}(3)  + log_{4}(5)  \\   = 1 + 1.1610 + 0.7925 + 1.1610 \\  = 4.1145

5 0
2 years ago
Is xy = 1 a function
Mandarinka [93]
Yes it is a function

7 0
3 years ago
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Isn’t it 0.44444444.....or 0.444
Nataly_w [17]

Answer: it is 100% A

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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