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7. A student received a score of 55 on a history test for which the class mean was 65 with a standard deviation of 5. The student received a score of 47 on a biology test for which the class mean was 65 with standard deviation 10. On which test did the student do better relative to the rest of the class? HISTORY TEST/ BIOLOGY TEST

7. A student received a score of 55 on a history test for which the class mean was 65 with a standard deviation of 5. The student received a score of 47 on a biology test for which the class mean was 65 with standard deviation 10. On which test did the student do better relative to the rest of the class? HISTORY TEST/ BIOLOGY TEST

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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I need help solving/inputing this problem into my TI-84 Plus Calculator with steps shown.
7. A student received a score of 55 on a history test for which the class mean was 65 with a standard deviation of 5. The student received a score of 47 on a biology test for which the class mean was 65 with standard deviation 10. On which test did the student do better relative to the rest of the class? HISTORY TEST/ BIOLOGY TEST
Transcribed Image Text:7. A student received a score of 55 on a history test for which the class mean was 65 with a standard deviation of 5. The student received a score of 47 on a biology test for which the class mean was 65 with standard deviation 10. On which test did the student do better relative to the rest of the class? HISTORY TEST/ BIOLOGY TEST
TI-84 Plus TEXAS INSTRUMENTS lower: WPPer: Paste STAT PLOT F1 TBLSET F2 FORMAT F3 CALC F4 TABLE F5 Y= WINDOW ZOOM GRAPH TRACE QUIT INS 2ND MODE DEL A-LOCK LINK LIST ALPHA X,T,0,n STAT TEST A ANGLE B DRAW C DISTR MATH CLEAR APPS PRGM VARS MATRIX D TT H SIN-1 E COS-1 TAN-1 G x-1 SIN COS TAN е м EE J { K } L x2 10 U O V P W Q LOG 9. ez s L4 T L6 V L5 U LN 4 6 11 RCL X MEM STO) L1 Y L3 e L2 Z OFF ENTRY SOLVE 2 ON ENTER CATALOG ANS
Transcribed Image Text:TI-84 Plus TEXAS INSTRUMENTS lower: WPPer: Paste STAT PLOT F1 TBLSET F2 FORMAT F3 CALC F4 TABLE F5 Y= WINDOW ZOOM GRAPH TRACE QUIT INS 2ND MODE DEL A-LOCK LINK LIST ALPHA X,T,0,n STAT TEST A ANGLE B DRAW C DISTR MATH CLEAR APPS PRGM VARS MATRIX D TT H SIN-1 E COS-1 TAN-1 G x-1 SIN COS TAN е м EE J { K } L x2 10 U O V P W Q LOG 9. ez s L4 T L6 V L5 U LN 4 6 11 RCL X MEM STO) L1 Y L3 e L2 Z OFF ENTRY SOLVE 2 ON ENTER CATALOG ANS
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