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Lera25 [3.4K]
2 years ago
6

What is the significance of the value 0.31 in the context of the data? A It represents the probability that a student in Mr. Lop

ez's classes does not have chores. B It represents the probability that a student in Mr. Lopez's classes does not receive an allowance. C It represents the probability that a student in Mr. Lopez's classes either does not have chores or does not receive an allowance. D It represents the probability that a student in Mr. Lopez's classes does not have chores and does not receive an allowance.
Mathematics
1 answer:
Dvinal [7]2 years ago
6 0

Step-by-step explanation:

The significance level, also denoted as alpha or α, is the probability of rejecting the null hypothesis when it is true. For example, a significance level of 0.05 indicates a 5% risk of concluding that a difference exists when there is no actual difference

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PLEASE can someone explain why The exact value of sec ( π/6) is 2 /√ 3 ??
Umnica [9.8K]
\bf sec\left( \frac{\pi }{6} \right)\qquad recall\to sec(\theta)=\cfrac{1}{cos(\theta)}\qquad thus
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sec\left( \frac{\pi }{6}\right)\iff \cfrac{1}{cos\left( \frac{\pi }{6}\right)}
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\textit{check your Unit Circle for what the }cos\left( \frac{\pi }{6}\right)\ is
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\cfrac{1}{\frac{\sqrt{3}}{2}}\implies \cfrac{\frac{1}{1}}{\frac{\sqrt{3}}{2}}\implies 
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3 0
3 years ago
Find the sum of the first 7 terms of the series.
Flura [38]

Answer:

C.258

Step-by-step explanation:

6-12+24-48+96-192+384

7 0
3 years ago
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Stable electron configurations are likely to contain ____.
klio [65]

A- Stable electron configurations are likely to contain - filled energy sub-levels.

B- How many unpaired electrons are in a sulfur atom (atomic number 16)? Answer is 2

3 0
3 years ago
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A ship at sea, the Gladstone, spots two other ships, the Norman and the Voyager, and measures the angle between them to be 48°.
ratelena [41]

Answer:

=3501 yards.

Step-by-step explanation:

The three ships form a triangle.  From the Voyager the angle between the Norman and the Gladstone=180-(55+48)=77°

Let the position of the Voyager be V that of Norman be N and that of the Gladstone be G

Then, the distance between Norman and voyager is g

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g=(4590 Sin 48)/Sin 77

=3500.8 yards

The distance between the Norman and the voyager= 3501 yards.

3 0
3 years ago
Please help me with this following problem
Volgvan

Answer:

a - 30.2

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Step-by-step explanation:

60/4=15

60/3=20

9+6.45+2.4+8.15+4.2=30.2

30.2x9=271.8

7 0
2 years ago
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