GuessR: Simulating Guess Scores on Customizable Tests

Create a True/False Quiz

1	create_tf(qus, wts = rep(1, qus), ats = rep(1, qus))

`qus`	The number of questions in the quiz
`wts`	The weighting score for each question, can be provided as a single integer, or a vector with number of elements equal to qus
`ats`	The number of attempts the test taker is allowed to answer the question, can be provided as a single integer, or a vector with number of elements equal to `qus`. For any value greater than 1 the answer will be correct every time.