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marshall27 [118]
3 years ago
13

Suppose a researcher examined a relationship between taking aspirin every day (yes/no) and the incidence of a heart attack (yes/

no). The sample data showed that those taking aspirin had a lower chance of incidence of heart attack. A chi-square test on the data collected resulted in a p-value less than 0.0001. The data were collected in a well-designed randomized experiment. Which of the following conclusions is appropriate
A. Yes, because aspirin uses had a larger heart attack rate in both studies.
B. No, only researcher 1 can conclude this.
C. Yes, because aspirin is known to reduce heart attacks
Mathematics
1 answer:
Norma-Jean [14]3 years ago
7 0

Answer:

C . Yes, because aspirin is known to reduce heart attacks.

Step-by-step explanation:

A research examined so he find that aspirin reduce the heart attack .A chi-square test on the data collected in a randomized experiment.

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When to lines intersect they create four angles. Each angle is opposite to another and form a pair of what are called opposite angles. Angles a and c are opposite angles. Opposite angles are equal.
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Find the midpoint between each pair of coordinates. select the correct answer. (-8, -8), (4, 8)
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X = xo+x1/2
y= yo+y1/2
thus mid point between (-8,-8),(4,8)
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A real estate agent works on 7% commission. What is her commission on a house that she sold for $210,600?
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Therefore, the real estate agent made $14,742

Hope this helps!
8 0
3 years ago
Nagaraj has a​ party-length sandwich that is 61 inches long and is to be cut into three pieces. The middle piece will be 4 inche
Nimfa-mama [501]

Answer: The length of the shortest piece is 16 inches

The length of the medium piece is

20 inches

The length of the longest piece is 25 inches.

Step-by-step explanation:

Total length of the party sandwich is 61 inches. This length is to be cut into three different pieces.

Let x= the size of the longest piece.

Let y = the size of the medium piece.

Let z = the size of the shortest piece.

The middle piece will be 4 inches longer than the shortest​ piece. This means that

y = z + 4 - - - - - - 1

The shortest piece will be 9 inches shorter than the longest piece. This means that

x = z +9 - - - - - - -2

Since total length of the party sandwich is 61 inches, it means that

x + y + z = 61 - - - - - - -3

We will substitute equation 1 and equation 2 into equation 3. It becomes

z + 9 + z + 4 + z = 61

13 + 3z = 61

3z = 61 - 13 = 48

z = 48/3 = 16

y = z + 4 = 16 + 4

y = 20

x = z + 9 = 16 + 9

x = 25

5 0
4 years ago
The sum of two consecutive integers is 57. If x is the integer what are the two numbers
ra1l [238]
The two numbers are 28 and 29.

5 0
3 years ago
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