Waiting Time At a certain supermarket, the amount of wait time at the express lane is a random variable with density function f(x) = 11/[10(x + 1)*], 0 < x s 10. (See Fig. 8.) Find the probability of having to wait less than 4 minutes at the express lane. 1.1 11 S(x) 10(x + 1)? 10 Figure 8 A density function.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter1: Functions
Section1.2: Functions Given By Tables
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Waiting Time At a certain supermarket, the amount of wait
time at the express lane is a random variable with density
function f(x) = 11/[10(x + 1)*], 0 < x s 10. (See Fig. 8.)
Find the probability of having to wait less than 4 minutes at
the express lane.
1.1
11
S(x)
10(x + 1)?
10
Figure 8 A density function.
Transcribed Image Text:Waiting Time At a certain supermarket, the amount of wait time at the express lane is a random variable with density function f(x) = 11/[10(x + 1)*], 0 < x s 10. (See Fig. 8.) Find the probability of having to wait less than 4 minutes at the express lane. 1.1 11 S(x) 10(x + 1)? 10 Figure 8 A density function.
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