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sveticcg [70]
3 years ago
8

BehaviorIsm qq oakqlqlwlskq

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
6 0
What the heck do you mean??????????
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Lines l and m are parallel line i is represented by the equation 3x+4y=8 if line m passes through the point (2,-5) which equatio
Rus_ich [418]

Answer:

B

Step-by-step explanation:

because the math

6 0
3 years ago
Construct the indicated confidence interval for the difference between the two population means. Assume that the two samples are
Kruka [31]

Answer:

Step-by-step explanation:

The formula for determining the confidence interval for the difference of two population means is expressed as

Confidence interval = (x1 - x2) ± z√(s²/n1 + s2²/n2)

Where

x1 = sample mean of type A paint

x2 = sample mean of type B paint

s1 = sample standard deviation type A paint

s2 = sample standard for type B paint

n1 = number of samples of type A paint

n2 = number of samples of type B paint

From the information given,

x1 = 75.7

s1 = 4.5

n1 = 11

x2 = 64.3

s2 = 5.1

n2 = 9

x1 - x2 = 75.7 - 64.3 = 11.4

√(s1²/n1 + s2²/n2) = √(4.5²/11 + 5.1²/9) = √4.709

Degree of freedom = (n1 - 1) + (n2 - 1)

df = (11 - 1) + (9 - 1) = 18

For the 98% confidence interval, the z score from the t distribution table is 2.552

Margin of error = 2.552√4.709 = 5.55

The upper boundary for the confidence interval is

11.4 + 5.55 = 16.95 hours

The lower boundary for the confidence interval is

11.4 - 5.55 = 5.85 hours

The correct option is

B. 5.85 hrs < μ1 - μ2 < 16.95 hrs

4 0
3 years ago
Fiona needs to choose a five-character password with a combination of three letters and the even numbers 0, 2, 4, 6, or 8.
katen-ka-za [31]

The total outcomes of creating a password is 20

<h3>How to determine the total outcomes creating different passwords with the given characters and numbers?</h3>

The given parameters are

Letters = 3

Digits = 5 digits i.e 0, 2, 4, 6, or 8.

From the question, the digits and the letters cannot be repeated.

So, we have:

Possible letters = 3 characters (position fixed)

Digits = 2 numbers

So, the total outcomes of creating different passwords is

Total = 1 * 1 * 1 * 5 * 4

Evaluate the product

Total = 20

Hence, the total outcomes of creating a password is 20

Read more about combination at:

brainly.com/question/11732255

#SPJ1

8 0
2 years ago
How do i solve for n in this problem -6n - (3n - 9) + 5n = -4 (2n - 8)​
DaniilM [7]

Answer:

-6n -(3n - 9) + 5n = -4 (2n - 8)

-6n -3n +9 +5n = -8n +32

-9n +5n +9 = -8n +32

-4n + 9 = -8n +32

8n - 4n = 32 - 9

4n = 23

n = 23/4 = 5.75

8 0
3 years ago
What is the Quadrilateral Sum Theorem?
MrRissso [65]
The sum<span> of the measures of the interior angles of any </span>quadrilateral<span> can be found by breaking the </span>quadrilateral<span> into two triangles. Since the measure of the interior angles of any triangle equals 180 degrees, each of the two triangles will contribute 180 degrees to the total for the </span>quadrilateral<span>.</span>
3 0
3 years ago
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