The phrase "at a random number" is correct and usable in written English.
It can be used when referring to an unspecified or arbitrary numerical value in various contexts, such as mathematics, statistics, or programming.
Example: "The program generates a value at a random number between 1 and 100."
Alternatives: "at a random value" or "at an arbitrary number".
Edison Research of Somerville, N.J. stations interviewers at a random number of caucus sites, and they ask voters before they head inside to fill out questionnaires about their choices for a presidential candidate, and their positions on other issues.
A 30% systematic sample of questionnaire respondents who had indicated their availability for an interview in the questionnaire was drawn from respondents as listed according to the order in which questionnaire responses had been recorded, starting at a random number between one and five, and then one and ten respectively.
When put to sleep, Pokémon cannot attack until they wake up at a random number of turns later.
One household member was then sampled at random using a random number table.
The blocks will be selected at random using a random number generator within the ACCESS database and will be selected separately for each GP practice.
For HV subjects the foot with a greater HV angle was chosen (16 right feet and 14 left feet used for analysis), while for control subjects the right or left foot was chosen at random using a random number generator (15 right feet and 15 left feet used for analysis).
However, to account for the fact that photon absorption is probabilistic [36] the number of activated rods at each experiment is a random number from an uniform distribution centered at 35 percent of the total with width of 10 percent.
At each time-step, a random number was drawn between 0 and 1.
Randomisation will be developed by biostatisticians at the Australian Research Centre for Population Oral Health using a random number generator.
The order of the xylitol products was randomly determined for each subject at this visit using a random number generator.
At each host generation, a random number of individuals of each genotype is added to or removed from the populations, the maximum change being a fraction F (here, F = 0.05).
