A breath analyzer, used by the police to check if drivers exceed the legal limit set for the percentage of drunk alcohol

[answerhappygod]

A breath analyzer, used by the police to check if drivers exceed
the legal limit set for the percentage of drunk alcohol is known to
satisfy P (A | B) = P (̄A | ̄B) = where A is the event "l breath
analyzer indicates that the legal limit has been exceeded "and B"
the driver's blood alcohol level exceeds the legal limit. " On a
Saturday night, about 5% of the drivers exceed the limit. (A)
Describe in words the meaning ofP (̄B | A) (b) DetermineP (̄B | A)
sip = 0.95 (c) What should be for thatP (B | A) = 0.9?