# Computing Weights

### Question Description

Week 2 Assignment

Question 1

1. Compute the weighted mean for the following data.
 Weight Grade Earned Midterm 10% 90 Discussion 30% 35 Assignment 20% 85 Project 20% 80 Quizzes 20% 100

Question 2

1. If P(A) = 0.70, P(B) = 0.20, and P(A ∩ B) = 0.15, then P(B | A) =

Question 3

Ten vitamin and five sugar tablets identical in appearance are in a box. These are the only things in the box. One tablet is taken at random and given to Person A. A tablet is then selected and given to Person B. What is the probability that

1. Person A was given a vitamin tablet?
2. Person A was given a piece of candy.
3. Person A was given a tablet of some kind.
4. Person B was given a sugar tablet given that Person A was given a vitamin tablet?
5. neither was given vitamin tablets?
6. both were given vitamin tablets?
7. Person A was given a sugar tablet and Person B was given a vitamin tablet?
8. Person A was given a vitamin tablet and Person B was given a sugar tablet?
9. exactly one person was given a vitamin tablet?
 Grading Criteria Assignments Maximum Points Meets or exceeds established assignment criteria 40 Demonstrates an understanding of lesson concepts 20 Clearly presents well-reasoned ideas and concepts 30 Uses proper mechanics, punctuation, sentence structure, and spelling 10 Total 100
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