The average score on a 120-point math placement test is 80, and the standard deviation is 15. Assume the math placement test scores are normally distributed. Select 20 of these math placement test scores at random. Find the probability that the mean of the 20 math placement test scores is less than 75. Round your answer to 3 decimal places.0.068

Congratulations to this 8th grader middle Schooler who took the Math Placement test got one of the highest of all 8th grader in his School ; he will be having 10th grade advanced algebra this School year coming up in August, your parents are so proud you; we love you so much 😘❤️ #mathlover. #mathematics #hiscupoftea #followersreels #followers #proudparents | Rowena Florida Vlog

Online Math Placement Test Prep Course - Mometrix

Educators divided on impact of changes in STEM math placement at California community colleges

ALEKS PPL: Math Placement, Preparation & Learning