Final answer:
The percentage of Texans lacking basic prose skills is not provided in the given options. Therefore, none of the given options (a) 5%, (b) 15%, (c) 30%, or (d) 45% can be considered the correct answer.
Step-by-step explanation:
The question does not provide specific data or a percentage regarding the proportion of Texans lacking basic prose skills. Without the actual percentage, it is not possible to select the correct answer from the given options (a) 5%, (b) 15%, (c) 30%, or (d) 45%.
To determine the percentage of Texans lacking basic prose skills, relevant data or statistics would be required. This could involve conducting surveys, assessments, or utilizing existing literacy rate statistics. Once the accurate data is obtained, a calculation could be performed to determine the percentage of individuals lacking basic prose skills among the population.
It is crucial to ensure that any information or statistics used in making such determinations are accurate, reliable, and up-to-date. In the absence of specific data, it is not feasible to provide a percentage or select the correct answer from the given options.