Answer:
hello your question is incomplete attached below is the complete question and solution
The actual tracking weight of a stereo cartridge that is set to track at 3 g on a particular changer can be regarded as a continuous rv X with the following pdf. f(x) = k 1 ? (x ? 3)2 2 ? x ? 4 0 otherwise
answer: 0.6325
Step-by-step explanation:
determine the probability that actual weight is within 0.45 g of the prescribed weight
we have to integrate pdf with : 2.55 to 3.45