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Ahat [919]
3 years ago
14

The standard normal distribution has a mean of and a standard deviation of

Mathematics
1 answer:
Anna007 [38]3 years ago
3 0

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

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What is the slope of the line that passes through the points (8,8) and (20, -2)?
Sindrei [870]

Answer:

-5/6

Step-by-step explanation:

Use slope intercept form: \frac{y_2-y_1}{x_2-x_1}

\frac{-2-8}{20-8} = \frac{-10}{12} = -5/6

3 0
3 years ago
3. What three numbers are the Pythagorean triple generated by using 4 for x and 1 for y. Remember to use the formulas:
Doss [256]

Given:

Consider the three number are given by:

a=x^2-y^2

b=2xy

c=x^2+y^2

To find:

The three numbers are the Pythagorean triple generated by using 4 for x and 1 for y.

Solution:

We have,

a=x^2-y^2

b=2xy

c=x^2+y^2

Substituting 4 for x and 1 for y, we get

a=4^2-1^2

a=16-1

a=15

Similarly,

b=2(4)(1)

b=8

And,

c=4^2+1^2

c=16+1

c=17

The three three numbers are the Pythagorean triple are 8,15 and 17.

Therefore, the correct option is C.

8 0
3 years ago
2. Jules conducted a survey and asked 100
Tanzania [10]
"Positive association" would be the answer.
3 0
2 years ago
Twelve people are given two identical speakers, which they are asked to listen to for differences, if any. Suppose that these pe
Karolina [17]

Answer:

Probability, P(X=3)=0.05371

Step-by-step explanation:

The experiment consists of 12 Bernoulli trials,n=12

Where sucess is defined with difference between the speakers and failure is defined with no difference between the speakers

Since people are guessing,the Probability P of sucess= 1/2

Therefore P(X=3) = b(3; 12, 0.5) = (12/3) (0.5)^3× (0.5)^9

P( X=3) = 0.0537

7 0
3 years ago
Which ordered pairs are solutions to the inequailty 2x + y > -4
Sedbober [7]
A, B, and D are the correct answers
7 0
3 years ago
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