Leveled Practice In 1-2, fill in the boxes to solve.
1. A school orchestra has 60 members. 20% of
the members are percussionists. How many
orchestra members are percussionists?
20% 60 players
The number of percussionists is
% of 60
2. Of 800 car
a week, o
hour spee
per hour.
35 miles
The num
per hour
ola
60
percussionists.

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

The parabola opens: y=√x-4 (principal square root) up down right left

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events