Question

3) a) Find the probability of the pointer , shown in the figure, stopping on the following. a) An even number, b) A prime number,C) A composite number,E) Multiples of 3​

Answer 1

Answer:

S={1,10,1,2,3,4,5,6,7,8,9,10}

n(s)={12}

Event A={10,2,4,6,8}

n(a)={6}

P =n(a)/n(s)

=6/12=1/2. answer

Event B={2,3,5,7}

n(b)=4

P=4/12. P= 1/3. answer

C={10,4,6,8,10}

n(c)=5 P =n(c) /n(s)

P=5/12 answer

D = {3,6,9}

n(d)=3

P=n(d)/n(s)

P=3/12

P=1/4. answer