Components have lifetimes in minutes that are independent of each other with a lognormal distribution with parameters 3 1 and 0 1 Suppose that a random sample of 200 components is taken What is the probability that 30 or more of the components will have a lifetime of at least 25 minutes ...

Components have lifetimes in minutes that are independent of each other with a lognormal distribution with parameters

Question:

Components have lifetimes in minutes that are independent of each other with a lognormal with parameters μ = 3.1 and σ = 0.1. Suppose that a random sample of 200 components is taken. What is the probability that 30 or more of the components will have a lifetime of at least 25 minutes?
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...