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grandymaker [24]
3 years ago
14

What is the value of 4 x 3 divided by (12 divided by2)^2

Mathematics
2 answers:
forsale [732]3 years ago
6 0

Answer:

1/3

Step-by-step explanation:

4*3/(12/2)^2

12/6^2

12/36

1/3

Digiron [165]3 years ago
5 0

Answer:0.333

Step-by-step explanation:

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9966 [12]

Answer:

Option B)

H_{0}: \mu = 140\text{ mm}\\H_A: \mu < 140\text{ mm}

Step-by-step explanation:

We are given the following in the question:

Hypothesis:

The doctors and u=instructor claims that practicing yoga reduces blood pressure and hence is beneficial to people.

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Sample mean, \bar{x} =  139 mm

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Sample standard deviation, s = 5 mm

Thus, we can design the null hypothesis and alternate hypothesis as

H_{0}: \mu = 140\text{ mm}\\H_A: \mu < 140\text{ mm}

The null hypothesis states that the population have a blood pressure of 140 mm. The alternate hypothesis states that yoga reduces the blood pressure and the sample has a blood pressure less than 140 mm.

Thus, the correct answer is

Option B)

H_{0}: \mu = 140\text{ mm}\\H_A: \mu < 140\text{ mm}

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