BUSINESS STATISTIC WEEK 2

Week2 Assignment

Week 2 Assignment

Question 1

Compute the weighted mean for the following data.

Question 2

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

Person A was given a vitamin tablet?

Person B was given a sugar tablet given that Person A was given a vitamin tablet?

neither was given vitamin tablets?

both were given vitamin tablets?

exactly one person was given a vitamin tablet?

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

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