1. Bob works at a construction company. He has an equally
to be tugined to work different crews every day. He can
Work on Crew building apartments, condominis, One
uys a month about how many times should he expect to be
assigned to the house crew? (Example)
STEP 1
Find the probabilities of being assigned to each crewe
Apartment
Condo
House
The probability of being assigned to the house crew is
STEP 2) Set up and solve a proportion
Bob can expect to be assigned to the house crew about
times out of 18

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)