Class VIII A coin is tossed. Which of the following is the probability of getting a head or tail? 0 1 1/2 None of these Which of the following is the probability of an impossible event? 0 1 2 None The difference between the highest and the lowest value of the observations in a data is called: Mean Range Total frequency Sum of observation A coin is tossed. Which of the following is the probability of getting a head or tail? 0 1 1/2 None of these. Tally marks are used to find which of the following? Frequency Lower limits Upper limits Class marks Do you really want to submit this quiz? Cancel Submit Quiz