Question

from 30 tickets marked with numbers 2 to 31, one ticket is drawn at random. find the probability that it is

(a) a multiple of 7

(b) an even number

(c) a prime number

Answer 1

Answer:

total number of tickets=30

a)3/30=1/10

[7,14,21]

b)15/30=1/2

[2,4,6,8,10,12,14,16,18,20,22,24,26,28,30]

c)11/30

[2,3,5,7,11,13,17,19,23,29,31]

Answer 2

Step-by-step explanation:

please refer the attachment

hope this helps you

have a nice day ahead...