Business Statistics Assignment 1

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Business Statistics

Week 2 Assignment

Question 1

1.  Compute the weighted mean for the following data.

Question 2

1.  If P(A) = 0.50, P(B) = 0.40, and P(A ∪ B) = 0.88, then P(B | A) =

Question 3

Six vitamin and three sugar tablets identical in appearance are in a 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 B was given a sugar tablet given that Person A was given a vitamin tablet?

3.  neither was given vitamin tablets?

4.  both were given vitamin tablets?

5.  exactly one person was given a vitamin tablet?

6.  Person A was given a sugar tablet and Person B was given a vitamin tablet?

7.  Person A was given a vitamin tablet and Person B was given a sugar tablet?

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