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2 years ago

Broccoli costs $1.50 per pound at a store. How much money does 32 ounces of broccoli cost?

Mathematics

2 answers:

larisa [96]2 years ago

8 0

There are 16 ounces in a pound.
16+16 = 32.
So 32 ounces is 2 pounds for a total $3.00.
Hope it helps!

vitfil [10]2 years ago

6 0

Answer:-Cost of 32 ounces of broccoli= $

Explanation:-

We know that 1 ounce= $\frac{1}{16}\text{ pound}$

$\Rightarrow32\text{ ounces}=32\times\frac{1}{16}\text{ pound}=2\text{ pounds}$

Given:- Cost of 1 pound of broccoli = $1.50

⇒Cost of 32 ounces of broccoli= Cost of 2 pounds broccoli=2×$1.50 =$3

Therefore, Cost of 32 ounces of broccoli= $3.

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a) 25

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Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.95}{2} = 0.025$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

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$0.1 = 1.96*\frac{0.25}{\sqrt{n}}$

$0.1\sqrt{n} = 1.96*0.25$

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$(\sqrt{n})^{2} = (\frac{19.6*0.25}{0.1})^{2}$

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Rounding up to the nearest whole number, 25.

(b) The desired margin of error is $0.06.

This is n when M = 0.06. So

$M = z*\frac{\sigma}{\sqrt{n}}$

$0.06 = 1.96*\frac{0.25}{\sqrt{n}}$

$0.06\sqrt{n} = 1.96*0.25$

$\sqrt{n} = \frac{19.6*0.25}{0.06}$

$(\sqrt{n})^{2} = (\frac{19.6*0.25}{0.06})^{2}$

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$0.05\sqrt{n} = 1.96*0.25$

$\sqrt{n} = \frac{19.6*0.25}{0.05}$

$(\sqrt{n})^{2} = (\frac{19.6*0.25}{0.05})^{2}$

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1 year ago

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Answer:

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