Differences in Alpha Levelas It Related toHard and Soft Sciences

Decisions about alpha level may be different, especially as it relates from hard sciences to social sciences.For example, a medical trial for cancer treatments conducts their statistical tests at an alpha of 0.01% or 0.0001 - meaning that for every 1 out of 10,000 patients, there may be issues, sickness or even death.

Here are some other situations that have a probability of failure.At what ''failure level'', meaning alpha would you be satisfied safety-wise or performance-wise.(This would be the percent that failed the testing)1.Breaking system on the car you want to buy2.The likelihood of driver injury if this car were T-boned at 15 mph on the driver's side.3.A new math program for your children.4.EPA's regulation on bacteria in a water supply.5.EPA's regulation on methane emissions from oil/gas wells-serious greenhouse gas(limits just rolled back significantly).6.Gas station storage tanks leakage (into soil and groundwater) probability.7.Cancer cases from benzene in refinery treated wastewater discharges to a stream(EPA regs just rolled back).8.Stock price going up in a stock you are considering purchasing.9.Brother-in-law's wanting a loan and saying ti will be paid back in a month.10.Vitamin's claim of increased health (define health any way you like).Add any other issues you want a specific probability for.Any you can find in the literature that have a probability?