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marshall27 [118]
3 years ago
14

Brainlyest for best answer

Mathematics
2 answers:
bazaltina [42]3 years ago
7 0

Answer:

21

Step-by-step explanation:

Add all of the numbers together then divide by 5

DENIUS [597]3 years ago
4 0

Answer:

21

Step-by-step explanation:

To find the mean, you have to add all the numbers together and then divide it by the amount of numbers that you added together.

For example, 23 + 18 + 24 + 15 + 25 = 105

                        105 ÷5 = 21

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A certain large manufacturing facility produces 20,000 parts each week. The manager of the facility estimates that about 1% of t
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Answer:

198 is the variance for the number of defective parts made each week.      

Step-by-step explanation:

We are given the following in the question:

Number of parts produced each week =  20,000

Percentage of defective parts = 1%

We have to calculate the variance for the number of defective parts made each week.

We treat defective part as a success.

P(Defective part) = 1% = 0.01

p = 0.01

Then the number defective parts follows a binomial distribution .

Formula for variance =

\sigma^2 = np(1-p) = 20000(0.01)(1-0.01) = 198

Thus, 198 is the variance for the number of defective parts made each week.

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