Question

Question 18 of 25 Step 1 of 1 202:16:36 The average score on a pre-employment test is 84 with a standard deviation of 5. Nothing is known about the shape of the distribution of scores. State the range in which at least 88.89% of the data will reside rounded to one decimal, Answer/How to Enter) 2 Points m Tables Keypad Lower Limit Upper Umit

Answer 1

given dafer average score = 84 standard deviation - 5 here we find the range in which 88.89% of the data will reside ----- --- 2 here we use cheby shev's theorem =) 88.89% = 1 - 1 / 2 1-0.8889 = 0.!!!! =) K² 0 = 9 7 K = 3 Now Range is 84 1 3x(5) --- 84115 69 to 99 Tower limit= 69 upper limit= 99 rate if you like soin