An urn contains twenty-five balls numbered 0 through 24. A single ball is taken from the urn; find the probability as a decimal fraction for

decimal-fraction

#1

An urn contains twenty-five balls numbered 0 through 24. A single ball is taken from the urn; find the probability as a decimal fraction for:

a. the number 4

b. an even number

c. a multiple of five

d. a prime number

____ e. a negative number

____ f. a whole number

Answer:

a. .04 (1/25)
b. .52 (13/25)
c. .16 (4/25)
d. .36 (9/25)
e. .00 (0/25)
f. 1.0 (25/25)