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3 years ago

It costs 15 dollars to send 3 packages through a certain shipping company consider the number of packages pero dollar?

Mathematics

1 answer:

docker41 [41]3 years ago

5 0

solution:

= $15 for 3 packages

= 5 packages per dollar (15/3)

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2 years ago

Use long division to find a repeated decimal equivalency for the fraction. Upload all of your work as part of your final answer.

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3 years ago

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A trucking firm has a large inventory of spare parts that have been in storage for a long time. It knowsthat some proportion of

Debora [2.8K]

Answer:

$0.1546\leq \widehat{p}\leq 0.3513$

Step-by-step explanation:

The firm tests 75 parts, and finds that 0.25 of them are notusable

n = 75

x = 0.25 \times 75 = 18.75≈19

$\widehat{p}=\frac{x}{n}$

$\widehat{p}=\frac{19}{75}$

$\widehat{p}=0.253$

Confidence level = 95%

So, Z_\alpha at 95% = 1.96

Formula of confidence interval of one sample proportion:

$=\widehat{p}-Z_\alpha \sqrt{\frac{\widehat{p}(1-\widehat{p}}{n}}\leq \widehat{p}\leq \widehat{p}+Z_\alpha \sqrt{\frac{\widehat{p}(1-\widehat{p}}{n}}$

$=0.253-(1.96)\sqrt{\frac{0.253(1-0.253)}{75}}\leq \widehat{p}\leq0.253+(1.96)\sqrt{\frac{0.253(1-0.253}{75}}$

Confidence interval $=0.1546\leq \widehat{p}\leq 0.3513$

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3 years ago

The number 5.003 × 10 -5 written in standard form is _____.

Tanya [424]

When the 10 is to a negative power you move the decimal to the left. in this case its 5 spots. i believe your answer is .00005003

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3 years ago

What is 15 didvide 7.35

zvonat [6]

Answer:

2.04081632653

Step-by-step explanation:

If you wanted to round it, it would be 2 because the 4 isn't enough to bump it up. Hope this helped you!

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3 years ago

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