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3 years ago

From a board 8 feet in length, Emmet cut two 2-foot bookshelves. How much of the board remained?

Mathematics

1 answer:

Vladimir [108]3 years ago

5 0

Answer:

4ft

Step-by-step explanation:

a board is 8 ft in length

Emmet cut two 2-foot bookshelves = 2 foot + 2 foot = 4 foot

The board remaining is 8ft - 4 foot = 4 ft

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Answer:

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3 years ago

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3 years ago

In your random sample of 25 Chips Ahoy bags, you find a mean of 985 chips per bag, with a standard deviation of 10 chips. Run a

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Answer:

The p -value is less than 0.001.

Step-by-step explanation:

Given information:

Sample size = 25 chips

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Let as assume that sample is distributed normally.

The formula for test statistic

$t=\frac{\overline{x}-\mu}{\frac{s}{\sqrt{n}}}$

where,

$\overline{x}$ is sample mean

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s is sample standard deviation.

n is sample size.

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3 years ago