Why Does a Battery That Has Thick Zinc Walls Last

question 152

Multiple Choice

Why does a battery that has thick zinc walls last longer than one that has thin zinc walls?

• A)Thick zinc walls prevent the battery from over heating.
• B)Thicker zinc walls prevent electrons from being lost into the surrounding environment.
• C)Thicker zinc walls last longer at holding in the battery acid.
• D)The zinc walls are transformed into zinc ions as the battery provides electricity.

---

Definitions:

Type II Error

A statistical error that occurs when a false null hypothesis is not rejected.

α

Denotes the level of significance in hypothesis testing; a threshold below which the p-value must fall for results to be considered statistically significant.

Type I Error

Occurs when a true null hypothesis is incorrectly rejected, falsely indicating that there is a significant effect when there is none.

Lowering Alpha

The process of reducing the alpha level, or the significance level, to decrease the likelihood of committing a Type I error in statistical hypothesis testing.