kimberlyvargas3762 kimberlyvargas3762

21-08-2020
Mathematics

contestada

The nonnegative function given below is a probability density function.
{3/7 e^−3t/7 if t ≥ 0
0 if t < 0
(a) Find P(0 ≤ t ≤ 2).
(b) Find E(t).

Respuesta :

batolisis batolisis

22-08-2020

Answer:

a) 0.5756

b) 2.3333

Step-by-step explanation:

A) for p ( 0 ≤ t ≤ 2)

= 1 - [tex]e^\frac{6}{7}[/tex] = 0.5756

B) for E(t)

= 7/3 = 2.3333

attached below is the remaining part of the solution

Ver imagen batolisis

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