A mechanic tells a customer that replacing the tensioner on the timing belt has about an 80% chance of fixing the problem with the car. What type of probability is the mechanic using? a) Subjective Probability

b) Empirical Probability

c) Theoretical Probability

d) Authentic Probability

Which of the following circles have their centers in the third quadrant?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

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