An unbiased die is tossed.Find the probability of getting a multiple of 3.
A). 1/3
B). 1/2
C). 3/4
D). 3/2
Out of 17 applicants 8 boys and 9 girls. Two persons are to be selected for the job. Find the probability that at least one of the selected persons will be a girl.
A). 19/34
B). 5/4
C). 20/34
D). 25/34
An unbiased cubic die is thrown.What is the probabiltiy of getting a multiple of 3 or 4?
A). 1/12
B). 1/9
C). 3/4
D). 1/2
If a box contains 10 bulbs,of which just three are defective. If a random sample of five bulbs is drawn, find the probability that the sample contains no defective bulbs.
A). 5/12
B). 7/12
C). 3/14
D). 1/12
I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number?
A). 1/999
B). 1/1001
C). 1/1000
D). 4/1000