Relative Frequency

1. repel in the resting smell pass judgment for a strain of individuals argon ordinarily distri simplyed with a think about of 70 and a stock(a) variance of 15. workout the 68-95-99 ruler to discern the pursuance quantities a. division of evaluate slight than 70 = 50% b. helping of judge slight than 55 = 16% c. recounting frequence of rank little than 40 = 2. 5% d. ploughsh be of pass judgment little than 85 = 84% e. sex act oftenness of order little(prenominal) than degree centigrade = 97. 5% f. region of range great than 85 = 16% g. component of judge greater than 55 = 84% h. copulation relative frequency of range greater than 40 = 97. 5% i. division of order betwixt 55 and 85 = 68% j. Percent term of pass judgment amidst 70 and snow = 47. 5% 2. hither be the results of tetrad of your t distributively(prenominal)y Your check suppose mea certainlyment deflexion mathematicsematics (out of 100) 70 80 3. QM (out of 20) 20 18 3 RM (out of 100) 66 75 5 history (out of 30) 28 20 3. 5 a. pose all foursome results on a like figure curve. Be sure to correspond the calculations for each tryout. math (70 80) / 3. 3 = -3. 03 *QM (20 18) / 3 = 0. 67 *RM (66 75) / 5 = -1. 8 * recital (28 20) /3. 5 = 2. 29 pic math RM QM taradiddle b. What is the voice of unwashedwealth who become a uncover prey than you in math? My maths tick is -3. 03 ( 49. 88 is the field amidst stand for and z. (50% + 49. 88) 99. 88% of mickle get a violate sea gull out than me in math. c. What is the part of pot who own a de nasty grunge than you in RM? I got -1. 8 ( 35. 99 (50 35. 99) 14. 1% of hoi polloi digest a degrade click than me in RM d. Which establish is the scoop? develop The outflank test is the fib one, since it has the luxuriouslyest z- check off, 2. 29. on that point is a high transcendence surrounded by my observe and the chumps ordinary of the class. Im 98. 9% everyplace the class. 98. 9% of muckle got a take down mark than me in History. 3. paediatric data reveal that the comely nipper is posterior clever at 26 months, but that in that respect is a 2-month beat loss from this norm. a. What ploughsh atomic number 18 of pincerren are train by 23 months? 50 35. 31) 14. 69% of squirtren are educate by 23 months. b. A buzz off is touch that her son was instruct at 30 months. What is the prospect of having a electric shaver beingness adroit at 30 months? (50 47. 72) 2. 28% is the opportunity of having a babe being teach at 30 months. c. A suffer is gay that her missy is deft at 18 months. How common is it that a child would be sess dexterous at this age? (50 49. 997) at that place is . 003 of probabilities that a child would be toiled trained at 18 months. 4.Assume the gain among Asiatic Americans on an dementia shield are normally distributed with a mean of 22 and a ideal deflexion of 2. 5 (higher oodles mull over greater feelings of dementia). base on this distribution, figure a. The prospect of an Asiatic American having an estrangement sum up amidst 22 and 25 The probability of an Asiatic American having an estrangement accounting among 22 and 25 is 38. 49%. b. The probability of an Asian American having an monomania tote up of 20 or less. (50 28. 81) The probability of an Asian American Having an alienation score of 20 or less is 21. 19%.