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Andrei [34K]
3 years ago
6

In its standardized​ form, what properties does the normal distribution​ have?

Mathematics
1 answer:
lesya692 [45]3 years ago
4 0

Answer:

B. The normal distribution has a mean of 0 and a standard deviation of 1.

C. The normal distribution cannot be used to approximate discrete probability distributions.

Step-by-step explanation:

We have to find the properties of normal distribution:

A) The given statement is false.

B) The given statement is true.

The normal distribution has a mean of 0 and a standard deviation of 1.

C) The given statement is true.

The normal distribution cannot be used to approximate discrete probability distributions because it is a continuous distribution and probability at any discrete value is zero.

D)The given statement is false.

The normal distribution has an area equal to 1.

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A. 1 and 8 <br> B. 4 and 6<br> C. 5 and 6<br> D. 1 and 7 <br> Please tell me why
andre [41]
1 and 7 because they have the same angles

6 0
3 years ago
Roberto decorates retangular signs. One sign is 2/3 foot long and 1/4 foot wide. Another sign is 1/2 long and 1/3 foot wide. It
PilotLPTM [1.2K]

Answer:

It'll take him 1/4 hours to decorate the two signs.

Step-by-step explanation:

In order to know how long Roberto will take to decorate all the signs we need to find their surface area, since they're rectangular their area is given by the product of their dimensions.

First sign:

area1 = (2/3)*(1/4) = 2/12 = 1/6 foot²

Second sign:

area2 = (1/2)*(1/3) = 1/6 foot²

The total area he has to paint is the sum of their individual areas, so we have:

total area = area1 + area2 = 1/6 + 1/6 = 2/6 = 1/3 foot²

To find out how long he'll take to decorate this area we can use a rule of three as shown bellow:

3/4 hour -> 1 foot²

x hour -> 1/3 foot²

x = (3/4)*(1/3) = 1/4 hours

3 0
3 years ago
I really need help on this!
Anvisha [2.4K]
103-12=91 so 91 i think
6 0
3 years ago
Ich bin milly ,ich bin schön, du bist schön und klug!;)) <br> Wo ist deine Liebe zu dir?
ira [324]

Answer:

What?

Step-by-step explanation:

3 0
2 years ago
What is x and y? 2x-2y=-4 2x+y=11 Is there infinitely many solutions, 1 solution, or no solution? solve by elimination.
Kaylis [27]

Let's solve your system by substitution.

2x−2y=−4;2x+y=11

Rewrite equations:

2x+y=11;2x−2y=−4

Step: Solve2x+y=11for y:

2x+y=11

2x+y+−2x=11+−2x(Add -2x to both sides)

y=−2x+11

Step: Substitute−2x+11foryin2x−2y=−4:

2x−2y=−4

2x−2(−2x+11)=−4

6x−22=−4(Simplify both sides of the equation)

6x−22+22=−4+22(Add 22 to both sides)

6x=18

6x/6 = 18/6

(Divide both sides by 6)

x=3

Step: Substitute3forxiny=−2x+11:

y=−2x+11

y=(−2)(3)+11

y=5(Simplify both sides of the equation)

Answer:

x=3 and y=5

5 0
2 years ago
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