The survey result may be biased due to undercoverage if it excludes certain student groups not well-represented on the roster, making option B the correct choice.
The correct answer is B) The survey result will be biased due to undercoverage.
Undercoverage occurs when certain groups within the population are not adequately represented in the sample. In this case, if the survey is conducted using a simple random sample of students from the school roster, it may inadvertently exclude certain groups of students who are less likely to be present on the roster at the time of the survey. For example, if the survey is conducted during a specific class or time period, it may miss students who are enrolled in other classes or have different schedules.
Option A is incorrect because voluntary response bias refers to bias introduced when individuals choose whether to participate in a survey, and it's not relevant to a simple random sample.
Option C is incorrect because the size of the sample (100 students vs. 50 students) does not affect the likelihood of obtaining a sample result close to the true population value in a simple random sample.
Option D is also incorrect for the same reason as option C.
Option E is also incorrect for the same reason as option A.
Therefore, option B is the most appropriate choice, as undercoverage could lead to a biased survey result.
So, the correct option is B:The survey result will be biased due to undercoverage.