MATH 1342 Lab 4 F11

MATH 1342 Lab 4 F11 - MATH1342 Collin County College...

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MATH1342 LAB (PROJECT) 4 (Chapter 5) NAME: ________________ Collin County College FAll 2011 Instructor: Daryl Rupp DUE DATE 9/20/11 The following table shows the students grades (A’s, B’s, etc.) from both periods. Find the probabilities requested. SHOW THE ANSWERS IN FRACTIONAL FORM AND THEN ROUND THE DECIMAL ANSWERS TO THREE PLACES. FIRST COMPLETE THE TABLE ABOVE BY ADDING THE TOTALS OF ALL ROWS AND COLUMNS. Part I. (35 POINTS) 1. If you were to select one student from either period, what is the probability of selecting a student who received a B? 2. If you were to select only one student from either period, what is the probability of selecting a student who received a B and is from the First period? 3. If we were to select just one student from either period and one event is selecting a student who received an A and another event is selecting a student who received a C, then a. Are these two events mutually exclusive? _____________. GRADE A B C D F TOTAL PERIOD FIRST 14 9 3 0 0 SECOND 19 2 3 1 1 TOTAL
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b. What is the probability of selecting just one student from either period who received an A
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This note was uploaded on 01/07/2012 for the course MATH 1342 taught by Professor Lisajuliano during the Fall '12 term at Collins.

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MATH 1342 Lab 4 F11 - MATH1342 Collin County College...

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