Faculty of Science Short Exam Department of Basic Science Probability and Statistics Duration:30 minutes Full Marks:10 S

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Faculty Of Science Short Exam Department Of Basic Science Probability And Statistics Duration 30 Minutes Full Marks 10 S 1 (57.26 KiB) Viewed 11 times

Faculty of Science Short Exam Department of Basic Science Probability and Statistics Duration:30 minutes Full Marks:10 Student Name: My *** Hishamn Handal 2010043 1) The shoes size is an example of A) Nominal B) Ordinal C) Interval D) Ratio 2) The portion of the universe that has been selected for analysis is called............... 3) Find the mean for the data: -4.36,-2.5,-2.35,-2.1.-1.99,-1.65-1.7,-0.3 4) Find the range for the data: -4.36.-2.5, 35,-2.1.-1.99,-1.65,-1.7,0 5) The cholesterol content of large chicken eggs is normal with a mean of 200 and a standard deviation of 15. What is the probability that the mean cholesterol content is less than 205 milligrams? 6) Two brothers, Mohammad and Ahmad own and operate a small restaurant. Mohammad washes 50% of the dishes and Ahmad washes 50% of the dishes. When Mohammad washes a dish, he might break it with probability 0.40. On the other hand, when Ahmad washes a dish, he might break it with probability 0.10. If a broken dish was found in the washing machine, then find the probability that it was washed by Mohammad. 7) At a checkout counter, customers arrive at an average of 1.5 per minute. Find the probability of two customers arrival in one minutes. 8) Suppose that 4 out of 12 buildings in a certain city violate the building code. A building engineer randomly inspects a sample of 3 new buildings in the city. Find the probability that one building in the sample violating the building code. 9-10) List X and list Y each contain 60 numbers: Frequency distributions for each list are give below: Frequency Distribution for List X Frequency Distribution for List Y Number I 2 3 5 6 7 8 9 Number Frequency 24 17 10 9 Frequency 10 20 18 12 List Z contains 120 numbers: 60-numbers in list X and the 60 numbers in list Y. 9) Find the Median of Z. 10) Find the Mode of Z. GOOD LUCK American University of Madaba Spring Semester 2021-2022 Student ID: