please answer question 23 and 24 c) 2.083a) 12.5bi 52.08Q16 For the follon ing Box Plot, The (largest, median, smallest ) values are6070503040(40.50,60) b) (60,50,40) c) (70, 50, 30)di. Your answeralir the mean of 34 observation is 17, three obsen ations with values : 10, 11, 12 are added to the list, the mean ofthe total obsenations is:QIS A lashlight operates on two batteries eight batteries are available but three are dead. In a random selectionof baneries what is the probability that exactly one dead battery will be selected :a) 1. 60Q.19 A Quiz consists of 8 multiple-choice questions, each question has 5 possible answers only one of which isreetAhmed plans to guess the answer to each question, the probability that Ahmed gets one answer comcer toa) 0.3355al12c120d) Your answerb). 33.4c) 41.7d). Your answerb) 0.267c) 0.1256d) Your AnswerQ 20 Suppose we know that births in a hospital occur randomly at an average rate of 1.8 births per hour, the probabilnyThat we obsere 5 births in a given 2 hour interval is:a) 0.0260b)0 1377e) 0.0567d) Your answerQ21 A light buib manufacturing factory finds 6 in every 60 light bulbs defective, the probability that the firstDefective light bulb will be found when the 6a) 0.0386Q.22 Ahmed and Ali twins are hav ing a bad year, suppose their ability to win any one game is 32% and games areIndependent of one another, the probability it takes 14 games for them to win their fourth game is :a) 0.0383one is tested is :b) 0.059c) 0.0833d) Your answerb) 0.0762c) 0.0634*** The grades of a sample of size 30 students in a general exam were as follow :15-25d) Your answerClass Limit25-3535-45FrequencyAnswer the following questions (23-25)7.158.Q.23 The relative frequency for class number 3 equal to (%):b)25Q.24 The height for class 3 equal to :a) 15c) 18d) Your answera) 51.609Q25 The Mode equal to :a) 25.5b) 63.45c) 34.84d) Your answ erb) 30c) 45.5d) Your answer

The relative frequency = frequency /total frequency

*** The grades of a sample of size 30 students in a general exam were as follow: Class Limit 15-25 25-35 35-45 Frequency 7. 15 8. Answer the following questions (23-25) Q23 The relative froquency for class number 3 equal to () : b)25 a) 15 c) 18 d) Your answer Q24 The height for class 3 equal to: a) 31.609 0.25 The Made oal to b) 63.45 c) 34.84 d) Your answer