2 years ago

Mark the absolute maximum point of the graph

1 answer:

8 0

(7,7) is the maximum point in the graph. This is because it is the highest shown point that is above 0.

Brainliest???

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tatiyna

A. 2x - 3y is the answer

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Marysya12 [62]

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Sveta_85 [38]

Yes, because if you follow the recipes you can make 4,000 egg rolls in one day. Good luck to you.

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never [62]

Answer:

2.5

Step-by-step explanation:

30/12 = 2.5

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3 years ago

adell [148]

SOLUTION:

Case: Hypothesis testing

Step 1: Null and Alternative hypotheses

$\begin{gathered} H_0:\mu=P127.50 \\ H_1:\mu\leq P127.50 \end{gathered}$

Step 2: T-test analysis

$\begin{gathered} t=\frac{\hat{x}-\mu}{\frac{s}{\sqrt{n}}} \\ t=\frac{135-127.5}{\frac{75.25}{\sqrt{450}}} \\ t=2.144 \end{gathered}$

Step 3: t-test with the significance level

$\begin{gathered} t_{\alpha}=? \\ \alpha=0.05 \\ From\text{ }tables \\ t_{0.05}=1.654 \end{gathered}$

Step 4: Comparing

$t>t_{\alpha}$

So tail to reject the null hypothesis. There is enough evidence at a 0.05 level of significance to claim that the mean spent is greater than P127.50.

Final answer:

Yes, there is evidence sufficient to conclude that the mean amount spent is greater than P127.50 per month at a 0.05 level of significance.

6 0

1 year ago