
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Cloud computing is a concentrated manifestation of the development of information technology. In recent years, the scale of the cloud computing market in China has continued to grow. According to the "Cloud Computing White Paper (2022)" released by the China Academy of Information and Communications Technology, the data on the scale of the cloud computing market in China from 2017 to 2021 is as follows:

| Year   | 2017     | 2018     | 2019     | 2020     | 2021     |
|--------|----------|----------|----------|----------|----------|
| Year Code $x$ | 1        | 2        | 3        | 4        | 5        |
| Cloud Computing Market Scale $y$ (in billion yuan) | 692      | 962      | 1334     | 2091     | 3229     |

After calculation, it is obtained that $\sum_{i=1}^5{\ln{y_i}}=36.33$ and $\sum_{i=1}^5{({x_i}\ln{y_i})}=112.85$.

1. Based on the above data, establish the regression equation of $y$ on $x$, $\hat{y}=e^{\hat{b}x+\hat{a}$ (where $e$ is the base of natural logarithm).
2. Cloud computing provides a strong driving force for reducing production costs and improving product quality for enterprises. Before introducing cloud computing, the error between the size of a single product and the standard size follows $\varepsilon \sim N(0, \frac{4}{m})$, where $m$ is the cost of a single product (in yuan), and $P(-1 < \varepsilon < 1)=0.6827$. After introducing cloud computing, the error follows $\varepsilon \sim N(0, \frac{1}{m})$. If the cost of a single product remains unchanged, what will be $P(-1 < \varepsilon < 1)$? If the product quality remains unchanged (i.e., the probability distribution of errors remains unchanged), how much will the cost of a single product decrease?

Given: For a set of data $(x_{1}, y_{1}), (x_{2}, y_{2}), \ldots, (x_{n}, y_{n})$, the least squares estimates of the slope and intercept of the regression line $\hat{y}=\hat{\beta}x+\hat{\alpha}$ are $\hat{\beta}=\frac{\sum_{i=1}^n{x_iy_i-n\overline{x}\overline{y}}}{\sum_{i=1}^n{x_i^2-n\overline{x}^2}}$ and $\hat{\alpha}=\overline{y}-\hat{\beta}\overline{x}$. If $X \sim N(\mu, \sigma^2)$, then $P(|X-\mu| < \sigma)=0.6827$, $P(|X-\mu| < 2\sigma)=0.9545$, and $P(|X-\mu| < 3\sigma)=0.9973$.

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