The phrase "a random mix" is correct and usable in written English.
It can be used to describe a collection or combination of different elements that are chosen without a specific pattern or order.
Example: "The playlist features a random mix of genres, from classical to hip-hop, ensuring there's something for everyone."
Alternatives: "an arbitrary assortment" or "a haphazard collection".
That track in particular has quite a random mix of influences.
The leaves, a random mix of basil, sage, rosemary, parsley and savory, are emerald green and glossy, fried stiff.
But much of YouTube's audience visits the site to watch a random mix of clips generated by amateurs, which advertisers view with trepidation.
"The way we hang art is a random mix of frames, so we did the same when we picked plates," Mr. Carney said.
The turf is a random mix of grass and weeds, and right in front of the first tee, there's a squarish, unimaginative bunker that serves no purpose.
Ms. Ha and Ms. Yanagishita, who are currently renovating a Manhattan apartment last lived in by the architect Peter Eisenman, were charged with creating a new plan for the 380-square-foot studio decorated in the Classic Student style: a random mix of furniture probably still placed where the movers deposited it.
Conventional techniques, often simply a random mixing of genomes, are not necessarily safer than engineering.
On the very local scale of the π flip motion and at the higher concentrations of PMMA, there are apparently fewer PMMA-polycarbonate contacts than a random mixing assumption indicates.
This paper shows that when the cation distribution can be described by a random mixing model (the random alloy model) the resulting demixing analysis for the composition profiles can be greatly simplified, and made exact, by making use of the random alloy sum-rule.
Comparing the contact patterns measured by sensors with the synthetic matrices, we found an (R_{0}) ratio significantly different from 1 for all the households (see Table 3) and systematically larger than 1, indicating that a random mixing assumption may not be adequate to describe contact patterns within households.
Two mathematical models were examined to explore this issue: a random mixing model and a compartmental model that distinguishes risk groups associated with sex work.
