1) If P(event E) =0.47 then find P(not E) is? a) 0.53 b) 0.47 c) 1.5 d) 0.5 2) In a throw of a die what is the probability of not getting 4 or 5. a) 1/3 b) 2/3 c) 4/5 d) None of these 3) In a class there are X girls and Y boys , a student is selected random, then probability of selecting a boy is ? a) Y b) X c) Y/X+Y d) 0 4) The probability of guessing the correct answer to a certain question is X/2. If probability of not guessing the correct answer is 2/3 then value of x is ? a) 2/3 b) 1/3 c) 3/5 d) 4/7 5) In a survey of 364 children aged 19-36 months was found that 91 liked to eat potato chips.if a child is selected at random, compute the probability that he/she does not like to eat potato chips. a) 0.5 b) 0.60 c) 0.57 d) 0.75

probability (9th)

על ידי
הדפסה
הטבעה

לוח תוצאות מובילות

סגנון חזותי

אפשרויות

החלף תבנית

האם לשחזר את הנתונים שנשמרו באופן אוטומטי: ?