Do Homework-Sarah Fitngibbon Morlla Fireo % https://www matho.cornstud STAT 2300

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Do Homework-Sarah Fitngibbon Morlla Fireo % https://www matho.cornstud STAT 2300-002 Spring 2018 kaspxhomeworkId-466360734&questionid;9&flushed-false;&cld-4857432;&ce; Sarah Fitzgibbon | 3/4/18 10:45 Homework: HW 7.1-7.2 Score: 0 of 3 pts 7.2.9 9 of 13 (8 complete) Hw Score: 65 22%, 15 of Question Help Delermine the area under the standard normal ourve that les between (a) Z-0.87 and Z-087,(b)2-219 and 2-0, and (c)2-177 and Z-064 Click the icon to view a table of areas under the normal curve (a) Thearea tat les betwom2.-087ardZ-087 is (Round to four decimal places as needed ) bra Eter your answer in the answer box and then click Check Answer Check Answer e here to search DOLL F2 F3 F5 F6 F7 F8 F9 F11 F12 PrtScr 2 5 6 7 8

Explanation / Answer

Ans:

a)P(-0.87<z<0.87)=P(z<0.87)-P(z<-0.87)=0.8078-0.1922=0.6157

b)P(-2.19<z<0)=P(z<0)-P(z<-2.19)=0.5-0.0143=0.4857

c)P(-1.77<z<0.64)=P(z<0.64)-P(z<-1.77)=0.7389-0.0384=0.7006

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