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Elena L [17]
4 years ago
9

Using the graph as a reference, select all statements that are true about a normal distribution of data.

Mathematics
2 answers:
artcher [175]4 years ago
5 0

Answer:

Normal distributions are symmetrical about the mean, m.

The probability that an event is within 1 standard deviation above the mean is 34%

So the 1st and 4th options.

Step-by-step explanation:

Just answered and got it right lol

dimaraw [331]4 years ago
4 0

Answer

1st and 4th option on edg

Step-by-step explanation:

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Which statement is true?
AVprozaik [17]
Sin(α) = sin (90-Ф)

The right answer is <span>b. In any right triangle, the sine of one acute angle is equal to the sine of its complementary angle.</span>
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3 years ago
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Together, Ashley and Gabby watched a total of 14 hours of television over the weekend. Ashley watched 6 times as many hours as G
Rainbow [258]

Answer:

The number of times over the Weekend that:

Ashley watched TV = x = 12 hours

Gabby watched TV = y = 6 hours

Step-by-step explanation:

Let us represent:

The number of times

Ashley watched TV = x

Gabby watched TV = y

Together, Ashley and Gabby watched a total of 14 hours of television over the weekend.

= x + y = 14..... Equation 1

x = 14 - y

Ashley watched 6 times as many hours as Gabby.

x = 6y

Using substitution method

We substitute 14 - y for x

14 - y = 6y

14 = 6y + y

14 = 7y

y = 14/7

y = 2 hours

Solving for x

x = 14 - y

x = 14 - 2

x = 12 hours

Therefore:

The number of times over the Weekend that:

Ashley watched TV = x = 12 hours

Gabby watched TV = y = 6 hours

6 0
3 years ago
What is the perimeter of the triangle? <br> 22 units<br> 30 units<br> 44 units <br> 60 units
Ilya [14]

hi!

the answer is 44

4+4+12+12+6+6

7 0
3 years ago
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Does the following table shows a proportional relationship between the variables g &amp; h​
KATRIN_1 [288]

*the table being referred to is attached below

Answer:

The table does not show a proportional relationship between variable g and h.

Step-by-step explanation:

For a proportional relationship to exist between two variables, there must be a constant, of which serves like a unit rate, when comparing two variables.

Thus, in the table attached below, there is no obvious constant of proportionality between variable g and variable h.

Thus, \frac{9}{3} ≠ \frac{36}{6} ≠ \frac{81}{9}

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4 years ago
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In a poll of students at the hockey championship, 87% of the students say that hockey is better than baseball.
Vanyuwa [196]

Answer:

Sample Bias

Step-by-step explanation:

If you sample Hockey players on if their sport is better than baseball, chances are they will vote for their sport being better.

3 0
3 years ago
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