Suppose a random variable T is Exponential with λ=3. Then the integral ∫413e−3tdt equals the probability that T will be between and . The expected value of T equals.

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?