Suppose that the service life, in years, of a hearing aid battery is a random variable having a Weibull distribution with 1 2 and 2 (a) How long can such a battery be expected to last (b) What is the probability that such a battery will be operating after 2 years ...

Suppose that the service life, in years, of a hearing aid battery is a random variable having

Question:

Suppose that the service life, in years, of a hearing aid battery is a random variable having a Weibull distribution with α = 1/2 and β = 2.

(a) How long can such a battery be expected to last?

(b) What is the probability that such a battery will be operating after 2 years?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...