Problema Solution
A sample of 134 firecrackers contained 4 duds. How many duds would you expect in a sample of 2278 firecrackers?
Answer provided by our tutors
A sample of 134 firecrackers contained 4 duds. How many duds would you expect in a sample of 2278 firecrackers?
let x - number of duds
134/4 = 2278/x
134x = 9112
x = 68 duds