U hx tayh tyhvu h 4 2 q1 r1 4 5 76 sta

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: £ ¢§ £ ¢ § 5 £ ¢§ £ ¢ © § # 4 £ ¥ $1#'…¨¦¥¤&%rq¦¥¤¢ individual smokes 75 § £¢  ©h ©H )` © £ ¥¦¤p„awvE„aƒv‚€tYUEF§  ¦¥¤¢ htYHE©UawH9)€hXVU©F§  $"¦¥¤yx%rq¦¥¤&F¨¦¥'¢ # 4 £ ¢ )§ # 4 £ ¢ ©§ £ Hawv # 4 s$3u¥ ` tVU # 4 $3¥ U aYH #4 srq¥ h XVU #4 $"¥ Find the probability that a person develops cancer Useful for computing the probability of the intersection given that the person smokes. when : ¡ Conditional Probability is given Conditional Probability easy to get without definition. ¡  U  hX TaYH© tYHVU © h §£ ¨¦¥'¢ §£ ¦¥¤¢ §#4 £ 2$"¦¥'¢ © Q&1#'¢ ¥ r1#¤¢ §¥4 £ ©§ 5 £ 76 STA 2023 c B.Presnell & D.Wackerly - Lecture 6 STA 2023 c B.Presnell & D.Wackerly - Lecture 6 77 EXAMPLE : (Screening for quality) Shipment of 30 cameras, 6 defective. Choose 2 at random. If both EXAMPLE : (#3.61, p. 137) Microchip: good, accept shipment. Find the prob. accept shipment. © TU RE§ © i¥ . Find the probability that a microchip does not fail : If first camera known to be good, what is (cond.) prob. second is good? on its first use!!! H© &#  ¢ Start with 30 cameras, 6 bad. If first chosen is good, when we select the second, ¡ @ 8 ©p#$"¥ 4 ©§ 5 £ ¥ r1#'¢ ¡  © a ¦¥EU  £ E©  § £ ¤§ 5 £ ¢ © § # 4 £ ¨ ¦¥'¢ ¡ ¥ r1#¤&%$"¦¥'¢ ¡ £ #4¥ $"‚© ¡ . shipment accepted . STA 2023 c B.Presnell & D.Wackerly - Lecture 6 79 # ¥ £ )'  H © (1 © § § "(¥¢ '¢ § ) '(¥'¢ © 5£ ( )4 £ § #£ %7'  H` © ( © %$"(¥¢ '¢ %6#¤¦¥'¢ §# 4 £ ©§ 5 £ ( 78 STA 2023 c B.Presnell & D.Wackerly - Lecture 6 Note that U c` aXVW © tHH £ XH` F¨¥ r1#¤…¨¦¥'&&2rq¦¥¤¢ ` a © § 5 £ ¢ § £ ¢ © § # 4 £ c “Does not fail during first year” there are 29 cameras, 23 good, 6 bad. @ Chip lasts from first use through first year , !   . :   E¥ r...
View Full Document

This note was uploaded on 12/15/2011 for the course STA 2023 taught by Professor Ripol during the Spring '08 term at University of Florida.

Ask a homework question - tutors are online