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#### 7.5.19.1 The Default Random Source

- Function:
**random-integer***n* Return a random number between zero (inclusive) and

`n`(exclusive), using the default random source. The numbers returned have a uniform distribution.

- Function:
**random-real** Return a random number in (0,1), using the default random source. The numbers returned have a uniform distribution.

- Function:
**default-random-source** A random source from which

`random-integer`

and`random-real`

have been derived using`random-source-make-integers`

and`random-source-make-reals`

(see section Obtaining random number generator procedures for those procedures). Note that an assignment to`default-random-source`

does not change`random-integer`

or`random-real`

; it is also strongly recommended not to assign a new value.

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