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andrew11 [14]
3 years ago
14

There are three circular tabletops with diameters of 5 ft, 7 ft, and 9 ft. Identify the area of each table top rounded to the ne

arest tenth.
Mathematics
1 answer:
ella [17]3 years ago
6 0
It is almost about 19.6; 38.5; 63.6
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A Chi square test has been conducted to assess the relationship between marital status and church attendance. The obtained Chi s
Margarita [4]

Answer:  a. reject the null hypothesis, church attendance and marital status are dependent

Step-by-step explanation:

  • If the obtained chi-square value is greater than the critical chi square value then we reject the null hypothesis.

Given : A Chi square test has been conducted to assess the relationship between marital status and church attendance. The obtained Chi square is 23.45 and the critical Chi square is 9.488.

Null hypothesis : There is no relationship between the variables.

Alternative hypothesis : There is a relationship between the variables.

Here we can see that the obtained chi-square (23.45) value is greater than the critical chi square value (9.488) , then we have to reject the null hypothesis.

So the correct answer is reject the null hypothesis, church attendance and marital status are dependent.

3 0
3 years ago
I’ll give brainlist if correct
Zepler [3.9K]

Answer:

-5,-8

Step-by-step explanation:

6 0
3 years ago
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Given: tangent to Circle O.<br><br> If m C = 57°, then m BDR =
Romashka-Z-Leto [24]
∠BCD = 57°
∴ ∠BDR = ∠BCD = 57° (angle that meets the chord and the tangent is equi-angular to the angle at the alternate segment)
8 0
3 years ago
Can someone help me solve this please! I need to find what N equals!
Flura [38]
[ (12 - n)/7 ] = -1

12- n = -7

-n = -19

n = 19
6 0
2 years ago
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There are two coins in a bag. for coin 1, p(h) = ½ and for coin 2, p(h) = 1/3. your friend chooses one of the coins at random an
lana [24]
The answer is 3 to this question
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3 years ago
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