Answer: It is proportional because 195/3 equals 65 and 325/5 equals 65 as well, so it is proportional.
Hope this helps! :)
Answer:
Option A 0.312 is right
Step-by-step explanation:
Given that iN Maplewood a certain type of DVD player is sold at just two stores, 43% of the sales 13) are from store A and 57% of the sales are from store B. 2.4% of the DVD players sold at store A are defective while 4.0% of the DVD players sold at store B are defective.
Prob for any random item form store to be defective = Prob from A and defective +Prob from B and defective
=
Prob it came from A and defective = 0.
If Kate receives one of these DVD players as a gift and finds that it is defective, what is the probability that it came from store A
=
Answer:1.4
Step-by-step explanation:you
F(x)=9x
f(X)=9(-2)
f(x)= -18