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3 years ago

The probability that a normal random variable is less than its mean is ____. 1.0 0.5 0.0 Cannot be determined?

1 answer:

Ber [7]3 years ago

7 0

The correct answer for the question that is being presented above is this one: "0.5" The probability that a normal random variable is less than its mean is 0.5. In a normal distribution, 1.0 refers to the one that is stable and is in equilibrium.

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ABC is an isosceles triangle with AB=BC ACD is a straight line work out the size of BCD

rusak2 [61]

Answer:

Triangle ABC is isosceles, with AC = BC. Angle ACD= 620 BCD is a straight line. 180-118=62 62:2-31 x= 31.

Step-by-step explanation:

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hope it helps

5 0

3 years ago

What is the rate of change for both of these tables. 25 pts

Rudiy27

Answer:

For the table on the left the rate of change is $22.8$

For the table on the left the rate of change is $-2$

Step-by-step explanation:

The range of change is the slope. The slope can be found with the following formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

For the table on the left

Choose two points. In this case you can choose (-1,-24), (4,90)

You can say that:

$y_2=-24\\y_1=90\\\\x_2=-1\\x_1=4$

Substituting these values into the formula, you get:

$m=\frac{-24-90}{-1-4}\\\\m=22.8$

For the table on the right

Choose two points. You can choose (3,-6), (-6,12)

You can identify that:

$y_2=-6\\y_1=12\\\\x_2=3\\x_1=-6$

Substituting these values into the formula, you get:

$m=\frac{-6-12}{3-(-6)}\\\\m=-2$

4 0

2 years ago

Round 171,936 to the nearest ten thousand

hodyreva [135]

Answer:

Rounding = 170,000

3 0

2 years ago

Read 2 more answers

Fruitstand has eating red apples. This is 40% of the total apples understand. How many apples are in there in the stand?

Margarita [4]

100 because 40% is 40 and you do not kno the exact number of apples

6 0

2 years ago

TRUE OR FALSE:

Oksanka [162]

Answer:

It doesn't matter in what order we add our ingredients but if we have a combination to our padlock that is 4-5-6 then the order is extremely important. If the order doesn't matter then we have a combination, if the order do matter then we have a permutation. One could say that a permutation is an ordered combination.

Step-by-step explanation:

3 0

2 years ago

The probability that a normal random variable is less than its mean is ____. ​​1.0 ​0.5 ​0.0 ​Cannot be determined?

The probability that a normal random variable is less than its mean is ____. 1.0 0.5 0.0 Cannot be determined?