# The shelf life, in days, for bottles of a certain prescribed medicine is a random variable

ASSIGNMENT :

[NOTE:  The assignment is to be done entirely BY HAND]

1.   The shelf life, in days, for bottles of a certain prescribed medicine is a random variable having the density function

a)  Find the value of A.

b)  Find the probability that a bottle of this medicine will have a shelf life of anywhere from 80 to 120 days.

c)  Find the average shelf life.

2.     Consider the logistic equation (section 9.5) which is an equation of the form

( constants).  (1)

First separate the variables in Eq. (1) and then derive the solution

(2)

that satisfies the initial condition .  If  and are positive

constants, then .  Hence then parameter  in (1) is the limiting

population.

• Posted: 6 years ago
The shelf life, in days, for bottles of a certain prescribed medicine is a random variable

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