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2 years ago

Can a hypothesis ever be 100% proven as a fact? why

Mathematics

1 answer:

Aneli [31]2 years ago

6 0

Yes...the person's hypothesis could be correct.

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A company interested in lumbering rights for a certain tract of slash pine trees is told that the mean diameter of these trees i

brilliants [131]

Answer:

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12 inches

Standard Deviation, σ = 2.2 inches

We are given that the distribution of diameter of tree is a mound shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(diameters between 7.6 and 18.6 inches)

$P(7.6 \leq x \leq 18.6) = P(\displaystyle\frac{7.6 - 12}{2.2} \leq z \leq \displaystyle\frac{18.6-12}{2.2}) = P(-2 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -2)\\= 0.999 - 0.023 = 0.976= 97.6\%$

$P(7.6 \leq x \leq 18.6) = 97.6\%$

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

8 0

2 years ago

Which of the following is an irrational number?

Nikitich [7]

10 is the answer to your question

4 0

2 years ago

Read 2 more answers

Easy geometry <br> I’m stuck pls help<br> Show work :)

Lynna [10]

Answer:

x=9.5

NMR= 18°

Step-by-step explanation:

MN bisects PMN so NMR is equal to PMN making it also 18° so with this info we can now find x

(4x-2)=36

4x=38

x=9.5

8 0

3 years ago

Can someone please help me .

dusya [7]

Answer:

for 10. a

for 11. f.

Step-by-step explanation:

5 0

2 years ago

What is the volume of the right prism?

Bess [88]

The answer would be B as half of 6 is 3 and 3 x 5 is 15 , 15 x 10 is 150 :)<span />

5 0

2 years ago

Read 2 more answers