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NemiM [27]
3 years ago
6

Scheels received a shipment of 400 water bottles. 30% were yellow.

Mathematics
2 answers:
Amanda [17]3 years ago
6 0
Answer:
There were 120 yellow water bottles in the shipment

Explanation:
Multiply 400 by 30% to find out how many water bottles came in yellow.

400 • .30 = 120

So, 120 were yellow.
dexar [7]3 years ago
4 0

<em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em>

<em>Sol</em><em>ution</em><em>,</em>

<em>3</em><em>0</em><em>%</em><em> </em><em>of</em><em> </em><em>4</em><em>0</em><em>0</em>

<em>=</em><em> </em><em>3</em><em>0</em><em>/</em><em>1</em><em>0</em><em>0</em><em>*</em><em>4</em><em>0</em><em>0</em>

<em>=</em><em>1</em><em>2</em><em>0</em>

<em>1</em><em>2</em><em>0</em><em> </em><em>yellow</em><em> </em><em>water</em><em> </em><em>bottles</em><em> </em><em>were</em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>shipmen</em><em>t</em><em>.</em>

<em>Hope</em><em> </em><em>it</em><em> helps</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

<em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em><em>_</em>

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Answer:

It can be concluded that the medicated lotion has an effect on treating skin irritations.

Step-by-step explanation:

In this case we need to determine whether the medicated lotion was effective in treating the skin irritation or not.

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<em>H₀</em>: There is no difference between the two proportions, i.e. <em>p</em>₁ - <em>p</em>₂ = 0.  

<em>Hₐ</em>: There is a significant difference between the two proportions, i.e. <em>p</em>₁ - <em>p</em>₂ ≠ 0.  

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The test statistic value is 4.69.

The decision rule is:

The null hypothesis will be rejected if the <em>p</em>-value of the test is less than the significance level.

Compute the <em>p</em>-value as follows:

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The <em>p</em>-value of the test is very small.

The null hypothesis will be rejected at any significance level.

Thus, there is a significant difference between the two proportions.

So, it can be concluded that the medicated lotion has an effect on treating skin irritations.

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