Question
A post office has three categories of letters: 60% are from businesses, 30% are individual mail, and the remaining 10% are government mail. 5% of the letters from businesses have address errors, 10% of the individual mail has address errors, while 1% of the government mail has address errors. If we receive a letter with an address error, what is the probability that it is individual mail?"
274
likes1369 views
Answer to a math question A post office has three categories of letters: 60% are from businesses, 30% are individual mail, and the remaining 10% are government mail. 5% of the letters from businesses have address errors, 10% of the individual mail has address errors, while 1% of the government mail has address errors. If we receive a letter with an address error, what is the probability that it is individual mail?"
Sigrid
4.5120 Answers
Ποσοστό κατανομής αλληλογραφίας με σφάλματα διεύθυνσης:
Β = 60% x 5% = 0,03
I = 30% x 10% = 0,03
G = 10% x 1% = 0,001
Σύνολο = 0,061
Απάντηση:
P(άτομο)= 0,03/0,061 = 49,18%
Frequently asked questions (FAQs)
What is the variance of a set of numbers {1, 3, 5, 7, 9}?
+
Find the solution to the cubic equation 2x^3 - 7x^2 + 4x + 1 = 0.
+
What are the characteristics of an ellipse with a major axis length of 8 and a minor axis length of 4?
+
New questions in Mathematics