c) 2.083 a) 12.5 bi 52.08 Q16 For the follon ing Box Plot, The (largest, median, smallest ) values are 60 70 50 30 40 (40.50,60) b) (60,50,40) c) (70, 50, 30) di. Your answer al ir the mean of 34...

please solve question 21

Extracted text: c) 2.083 a) 12.5 bi 52.08 Q16 For the follon ing Box Plot, The (largest, median, smallest ) values are 60 70 50 30 40 (40.50,60) b) (60,50,40) c) (70, 50, 30) di. Your answer al ir the mean of 34 observation is 17, three obsen ations with values : 10, 11, 12 are added to the list, the mean of the total obsenations is: QIS A lashlight operates on two batteries eight batteries are available but three are dead. In a random selection of baneries what is the probability that exactly one dead battery will be selected : a) 1. 60 Q.19 A Quiz consists of 8 multiple-choice questions, each question has 5 possible answers only one of which is reetAhmed plans to guess the answer to each question, the probability that Ahmed gets one answer comcer to a) 0.3355 al 12 c120 d) Your answer b). 33.4 c) 41.7 d). Your answer b) 0.267 c) 0.1256 d) Your Answer Q 20 Suppose we know that births in a hospital occur randomly at an average rate of 1.8 births per hour, the probabilny That we obsere 5 births in a given 2 hour interval is: a) 0.0260 b)0 1377 e) 0.0567 d) Your answer Q21 A light buib manufacturing factory finds 6 in every 60 light bulbs defective, the probability that the first Defective light bulb will be found when the 6 a) 0.0386 Q.22 Ahmed and Ali twins are hav ing a bad year, suppose their ability to win any one game is 32% and games are Independent of one another, the probability it takes 14 games for them to win their fourth game is : a) 0.0383 one is tested is : b) 0.059 c) 0.0833 d) Your answer b) 0.0762 c) 0.0634 *** The grades of a sample of size 30 students in a general exam were as follow : 15-25 d) Your answer Class Limit 25-35 35-45 Frequency Answer the following questions (23-25) 7. 15 8. Q.23 The relative frequency for class number 3 equal to (%): b)25 Q.24 The height for class 3 equal to : a) 15 c) 18 d) Your answer a) 51.609 Q25 The Mode equal to : a) 25.5 b) 63.45 c) 34.84 d) Your answ er b) 30 c) 45.5 d) Your answer