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3 years ago

Is ABC" ADEF? If so, identify the similarity postulate or theorem that

Mathematics

1 answer:

kari74 [83]3 years ago

7 0

here is answer

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Consider a normal population with the mean of 40 and standard deviation of 10. A random sample of was selected: 39.2, 45.7, 27.4

Tems11 [23]

Answer:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X= 38.91$

And we can find the bias with this formula:

$Bias= \bar X -\mu$

And replacing we got:

$Bias = 38.91 -40 = -1.09$

Step-by-step explanation:

For this problem we know that the random variable of interest follows this distribution:

$X \sim N(\mu =40, \sigma= 10)$

And we have the following random sample given:

39.2, 45.7, 27.4, 25.9, 25.1, 46.3, 42.9, 49.0, 40.6, 47.0

And we can calculate the sample mean with the following formula:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X= 38.91$

And we can find the bias with this formula:

$Bias= \bar X -\mu$

And replacing we got:

$Bias = 38.91 -40 = -1.09$

5 0

3 years ago

PLEASE HELP ASAPP PLEASE

galina1969 [7]

Answer: Interior Angle

Step-by-step explanation:

The angle BAD is fully enclosed, it is on the inside

7 0

2 years ago

Carl wants to find the product 30×56 . Which of the following best explains how he can find the product mentally?A.He knows that

saw5 [17]

Answer:

He knows that 30÷5 is 6. He then multiplies 6 by 6 to get 36

Step-by-step explanation:

A is option is the best approach for him to find the answer.

4 0

3 years ago

Explain how proving to triangles congruent can help prove parts of the triangle congruent.

nydimaria [60]

Answer:

CPCTC - Corresponding Parts of Congruent Triangles are Congruent

Step-by-step explanation:

When two triangles are congruent, this means they have the same shape and the same size. To have the same shape, each angle must be congruent. To have the same size, each side length must be congruent. When you know two triangles are congruent you can say each corresponding part of congruent triangles is congruent. This is known as CPCTC.

7 0

3 years ago

Bill and Joe both want to finance a new car. for the following scenario identify which one would be more likely to qualify for a

Vladimir [108]

Answer:

Joe is likely to get a low interest rate because paying your bills on time helps build a good credit.

Step-by-step explanation:

3 0

3 years ago