If the number of parking spots at urban grocery stores is uniformly distributed over the interval 90 to 140, inclusively (90 $\le$ x $\le$140), then the mean of this distribution is __________________.
A)115
B)230
C)45
D)70
E)unknown

Question

Quizplus · Accepted Answer

The mean of a uniform distribution is calculated as (a + b) / 2, where a and b are the minimum and maximum values of the distribution, respectively. Here, a = 90 and b = 140, so the mean is (90 + 140) / 2 = 115.

If the Number of Parking Spots at Urban Grocery Stores ≤\le≤

If the Number of Parking Spots at Urban Grocery Stores $\le$