Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable
. (a) The number of free dash throw attempts before the first shot is made. (b) The time it takes for a light bulb to burn out.
1 answer:
Answer:
A=discrete; B=continuous
Step-by-step explanation:
(a) The number of free dash throw attempts before the first shot is = discrete
(b) The time it takes for a light bulb to burn out.=continuous
Discrete variables are countable in a finite amount of time such as the case of free dash throw attempts
Continuous Variables are more difficult to count. In statistics, time is a Continuous Variable
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Answer:
Linear functions change at a constant rate per unit interval. An exponential function changes by a common ratio over equal intervals.
Solution:
f(x) = 2x + 3
g(x) = x - 9
f(x) + g(x)
= (2x + 3) + (x - 9)
= 2x + x + 3 - 9
= 3x - 6
