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antoniya [11.8K]
3 years ago
7

How to make 10 when adding 8+5

Mathematics
1 answer:
VikaD [51]3 years ago
6 0
Required: 10

8+5=13

How to get 10:

13-10=3

Therefore, in order to get 10 from the sum of 8+5, you must subtract 3.
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Answer:

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Answer:

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Step-by-step explanation:

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vovangra [49]

Answer:

Percentage of armadillos between 13 and 17 years = 79.052%f using Standard Normal Distribution Tables

Step-by-step explanation:

As we know from normal distribution: z(x) = (x - Mu)/SD

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Therefore using given data: Mu = 14, SD = 1.2 we have z(x) by using z(x) = (x - Mu)/SD as under:

Approach 1 using Standard Normal Distribution Table:

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Afterwards using Normal Distribution Tables we find the probabilities as under:

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Similarly we have:

P(13) using z(13) = -0.83 gives us P(13) = 20.327%

Finally in order to find out the probability between 17 & 13 years we have:

Percentage of armadillos between 13 and 17 years = P(17) - P(13) = 99.379% - 20.327% = 79.052%

The standard normal distribution table is being attached for yours easiness.

Approach 2 using Excel or Google Sheets:

P(17) = norm.dist(17,14,1.2,1)

P(13) = norm.dist(13,14,1.2,1)

Percentage of armadillos between 13 and 17 years = { P(17) - P(13) } * 100

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