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hou schold chores by all adults have a mean 8. The number of hours spent per meek on hau of 28 houns and atondard deviatian of z hours. The proba hility that the mecon hours Snat per meek on houschold chares by a sample of 49 adults mill be mare than 25.75 hours is: 4) 10.56% b) 89.44% c) 39.44% d) 60.56%

hou schold chores by all adults have a mean 8. The number of hours spent per meek on hau of 28 houns and atondard deviatian of z hours. The proba hility that the mecon hours Snat per meek on houschold chares by a sample of 49 adults mill be mare than 25.75 hours is: 4) 10.56% b) 89.44% c) 39.44% d) 60.56%

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please indicate if the answers are A,B,C or D from number 8-17 please. 

00 Qv Search 13. A quality technician selects 3 iHem From a box of 50. Hlorr mann different suletis oF size 3 are poss ble? b) 150 c) 50 14. Thirty tro percent of adults did notrisit their physician's' offices last year. For a random somple of 15 aduls, the mean and the stondard deviation for the number adus in this somple who did not visit the ir physic ions last wopuo yeare are : b) 3.22 and 3.26 pud 15. The Klloming table lists the probahiliy distribution of a discrete random variable x: a) 2.19 and 3.11 c)4.80 ond l.81 18'1p d)1.81 and 2.19 2. to -24 6. -08 3. 5. •32 90- -02 The mean and the standard deviation of the random raniable x respectively: a) 2.71 and 17.67 b) 4.21 and 2.91 c)3.93 nnd 1-49 di1.96 end 3-78 16. The probability that a person is a college graduate is 35% and that he/she has a high bload Independent, the probabihid, that pres3ure is 12. Assuming thet there trro events are selected at randam is a ailege graduate and has high blood pressure is Ves od a) 45.5% b) 4.2% d)9.5% Use the follamng toble in Coad Bettay Defective Battery mamufachund_by Conpang A monufactured by Compang B 01 20 17. JP a battery is avlected at rondan, the probebility that this battery is good or is made by Compony Bisoppraimately : c) 42.00% d)96.70% 10000% (page4)
Transcribed Image Text:00 Qv Search 13. A quality technician selects 3 iHem From a box of 50. Hlorr mann different suletis oF size 3 are poss ble? b) 150 c) 50 14. Thirty tro percent of adults did notrisit their physician's' offices last year. For a random somple of 15 aduls, the mean and the stondard deviation for the number adus in this somple who did not visit the ir physic ions last wopuo yeare are : b) 3.22 and 3.26 pud 15. The Klloming table lists the probahiliy distribution of a discrete random variable x: a) 2.19 and 3.11 c)4.80 ond l.81 18'1p d)1.81 and 2.19 2. to -24 6. -08 3. 5. •32 90- -02 The mean and the standard deviation of the random raniable x respectively: a) 2.71 and 17.67 b) 4.21 and 2.91 c)3.93 nnd 1-49 di1.96 end 3-78 16. The probability that a person is a college graduate is 35% and that he/she has a high bload Independent, the probabihid, that pres3ure is 12. Assuming thet there trro events are selected at randam is a ailege graduate and has high blood pressure is Ves od a) 45.5% b) 4.2% d)9.5% Use the follamng toble in Coad Bettay Defective Battery mamufachund_by Conpang A monufactured by Compang B 01 20 17. JP a battery is avlected at rondan, the probebility that this battery is good or is made by Compony Bisoppraimately : c) 42.00% d)96.70% 10000% (page4)
Page 4 of 8 8. The number of hours speat per meek on household chores by all adults have a mean of 28 houiss and a stondard deviatian of 7 houry. The probahilily that the meen hours spnt per meek on hosehold chares by a S ample of 49 adults mill be more than 25.75 hours is! a) 10.56% c)39.44% d) G0.56% 9.60% of all adults are in faver of abolishing the sales tax and increasing the income tax. The probability that in a rondom sample of 400 adults, 225 or Lesa mill be in favor of abalishing the sales tax and snceasing the income lax is a) 43.06% c)6.94% d) 56.94% 10. The net meighs of all boxes of Top Taste ookies are noimally distbuted mith a mean of 32.07 ounces and a stendard devicdim of 0-|| ounce-The probahility that the net weight of a randemly selecded bəx of Such Cookies is between 31.81 and 31.94 ounces is : a) 10.99% b) 87-19 % c)49.09 % d) 93.32% 11. Eight paant of all allege graduates hired by companies 5 years.the probability that Companies, exacHy tro mill stey mith the same stay nith the same Campeny for more then such college graduates hired recently by mare than Five years is: in a randan sample of 12 u) 12.94% c)23. 01%. d) 33-05 % 12.Thirly percentof Law studenta who sit for a ber examinetion pass itthe first time using the Binamiel distrbution table » the probability that in a randam semple of 15 larudenta who mill ait for the bar exeminadim, at most a mill pass it the First ime is: (Seethe attached Table ) 3. a) 83.00% 17-00% c) 70.32% d) 29:68% 17 (page 3)
Transcribed Image Text:Page 4 of 8 8. The number of hours speat per meek on household chores by all adults have a mean of 28 houiss and a stondard deviatian of 7 houry. The probahilily that the meen hours spnt per meek on hosehold chares by a S ample of 49 adults mill be more than 25.75 hours is! a) 10.56% c)39.44% d) G0.56% 9.60% of all adults are in faver of abolishing the sales tax and increasing the income tax. The probability that in a rondom sample of 400 adults, 225 or Lesa mill be in favor of abalishing the sales tax and snceasing the income lax is a) 43.06% c)6.94% d) 56.94% 10. The net meighs of all boxes of Top Taste ookies are noimally distbuted mith a mean of 32.07 ounces and a stendard devicdim of 0-|| ounce-The probahility that the net weight of a randemly selecded bəx of Such Cookies is between 31.81 and 31.94 ounces is : a) 10.99% b) 87-19 % c)49.09 % d) 93.32% 11. Eight paant of all allege graduates hired by companies 5 years.the probability that Companies, exacHy tro mill stey mith the same stay nith the same Campeny for more then such college graduates hired recently by mare than Five years is: in a randan sample of 12 u) 12.94% c)23. 01%. d) 33-05 % 12.Thirly percentof Law studenta who sit for a ber examinetion pass itthe first time using the Binamiel distrbution table » the probability that in a randam semple of 15 larudenta who mill ait for the bar exeminadim, at most a mill pass it the First ime is: (Seethe attached Table ) 3. a) 83.00% 17-00% c) 70.32% d) 29:68% 17 (page 3)
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