The ______ is the most commonly used standard score. Group of answer choices Z score T score F score P score Flag question: Question 36 Question 361 pts A score that is three standard deviations above the mean would have a z-score of ______. Group of answer choices 0 -3 3 1 Flag question: Question 37 Question 371 pts What is the T-score for a z-score of -1? Group of answer choices 10 40 50 60 Flag question: Question 38 Question 381 pts ______ of scores fall within three standard deviations of the mean. Group of answer choices 50% 95% 68% 99.5% Flag question: Question 39 Question 391 pts If a distribution has a mean of 100 and a standard deviation of 15, what value would be +2 standard deviations from the mean? Group of answer choices 70 85 115 130 Flag question: Question 40 Question 401 pts The entire normal curve contains _______ of scores. Group of answer choices 25% 50% 99.9% 100%