The accompanying data set contains five variables, x1, x2, x3, x4, and x5. There are missing values in the data set. pictureClick here for the Excel Data File a. How many missing values are there for each variable

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?