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elena-14-01-66 [18.8K]
3 years ago
9

Help me with this question pls

Mathematics
2 answers:
Shalnov [3]3 years ago
8 0

Answer:

2

Step-by-step explanation:

Step 1:

PQ + OP = OQ

Step 2:

7 + x = 9

Step 3:

x = 2

Answer:

OP = 2

Hope This Helps :)

baherus [9]3 years ago
6 0

Answer:

OP should be 2 units. 9-7=2

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Weights of American adults are normally distributed with a mean of 180 pounds and a standard deviation of 8 pounds. What is the
Leto [7]

Answer:

There is 16.2% probability that a randomly selected individual will be between 185 and 190 pounds

Step-by-step explanation:

Z score

The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

z = (x - μ) / σ

where μ is the mean, x = raw score and σ is the standard deviation.

Given μ = 180, σ = 8.

For x = 185:

z = (185 - 180)/8 = 0.625

For x = 190:

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P(185 < x < 190) = P(0.625 < z < 1.25) = P(z < 1.25) - P(z < 0.625) = 0.8944 - 0.7324 = 16.2%

There is 16.2% probability that a randomly selected individual will be between 185 and 190 pounds

3 0
3 years ago
Answer
elena-14-01-66 [18.8K]

Answer:

There is no correlation between shoe size and math abity.

Step-by-step explanation:

5 0
3 years ago
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Answer:

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Step-by-step explanation:

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