Answer:

Step-by-step explanation:
The PDF of X is
The PDF of Y is
The means of X and Y are respectively,
so we can see that the larger the parameter, the smaller the mean. Hence the PDF of Z = min(X, Y) is an exponential with the largest parameter of the two.
Therefore, the PDF of Z is
Answer:
Kit buys
Step-by-step explanation:
im right
Let x = number of students in each of the remaining rows
266 = (10 x 20) + (5 x 8) + 2x
266 - (10 x 20) - (5 x 8) = 2x
266 - 200 - 40 = 2x
26 = 2x
x = 26/2
x = 13
Answer:
2 feets
Step-by-step explanation:
Given that :
Alli's Initial depth = 6 feets
Number of feets in which Alli rose = 4 feets
Alli's new position relative to the surface of the pool:
Difference of Alli's initial depth and feets risen :
6 feets - 4 feets = 2 feets
Hence, Alli is now 2 feets below the surface of the pool.
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