Which of the Following Statements About Water Pollution Is NOT

question 60

Multiple Choice

Which of the following statements about water pollution is NOT true?

• A) Exposure to lead can cause serious health problems.
• B) Warm water is less likely to contain lead that has been leached from supply pipes.
• C) Lead pipes and lead solder on pipes have been banned in the United States.
• D) Letting water run for a minute or so can minimize lead exposure.

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Definitions:

Average Grade

The mean score of a group of grades, calculated by adding all the grades and then dividing by the number of grades.

Percentile Method

A statistical technique used to estimate values at specific points in a distribution, such that a certain percentage of the distribution falls below that value.

Burning Times

The duration that a material sustains burning under specified conditions.

Bootstrap Confidence Interval

A type of confidence interval estimate calculated by resampling a dataset with replacement to create numerous simulated samples.