SOLUTION: Can a tutor be so kind to help solve this problem below?
A sample of 138 firecrackers contained 7 "duds". How many duds would you expect in a sample of 2346 firecrackers?
Question 485158: Can a tutor be so kind to help solve this problem below?
A sample of 138 firecrackers contained 7 "duds". How many duds would you expect in a sample of 2346 firecrackers? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! A sample of 138 firecrackers contained 7 "duds".
How many duds would you expect in a sample of 2346 firecrackers?
:
We can use a ratio equation
let d = no. of duds in 2346 f.c.
: =
cross multiply
138d = 2346 * 7
d =
d = 119 duds in a sample of 2346 f.c.
