Section 6.4: Measures of Centre and of Variability
Exercises
1. The top ten movies (Skyfall, The Hobbit, etc.) and their profits (in millions of dollars)
from last weekend are reported in Monday Magazine. Calculate the mean and median
for this data.
profi
Section 5.2: Logarithmic Functions
Exercises
Solve for x. Give both an exact answer (with log10 or just log in your answer) and a
decimal approximation.
1. 10 x = 0.75
2. 10 x = 12 345
3. 102 x = 37
4. 10 x+5 = 23.7
5. 101 x = 0.002
6. 102 x+3 = 8
Solve f
Section 6.3: Probability
Exercises
1. A fair twelve-sided die is rolled. What is the probability that the roll is
a)
b)
c)
d)
e)
a 7?
even?
greater than 5?
not a 7?
a 1 or a 2?
2. Two four-sided dice are rolled. What is the probability that the roll
a)
b)