Back to Apply the general Multiplication Rule — Problem 2 · Task Set 25
Exercises: Apply the General Multiplication Rule
Work through each section in order. Use the general Multiplication Rule,
, for joint probabilities.
For draws WITHOUT replacement, remember that BOTH the favorable count and
the total shrink after the first draw. On a tree diagram, MULTIPLY along a
path and ADD across paths. Leave fractions exact unless told otherwise.
Grade 11·21 problems·~35 min·Common Core Math - HS Statistics and Probability·group·hss-cp-b-8
Work through problems with immediate feedback
A
Warm-Up: Product Rule and Conditional Probability
These problems review the prior ideas the new rule builds on.
1.
The conditional-probability formula is . Suppose and . Find as a decimal.