A quiz consists of 80 multiple choice questions each with

Last updated: 2/21/2023

A quiz consists of 80 multiple choice questions each with five possible answers only one of which is correct If a student guesses on each question what is the mean and standard deviation of the number of correct answers Round to three decimal places OA mean 4 standard deviation 2 OB mean 16 standard deviation 1 265 OC mean 16 standard deviation 3 578 OD mean 4 standard deviation 3 578