Cards, marked with numbers 1 to 40, are placed in a box and mbed thoroughly. A card
is drawn from the box at random. Find the probability that the number on the taken out
card is:
a) a prime number less than 10
b) a number which is a perfect square.
Answers
Answered by
0
Answer:
a) 1/10 b)3/20
Step-by-step explanation:
a) possible outcomes = 2,3,5,7
n(a)=4
p(a)= 4/40 = 1/10
b) possible outcomes= 1,4,9,16,25,36
n(b) = 6
p(b) = 6/40 =3/20
Answered by
2
Step-by-step explanation:
n(s) = 40
a) A={2 , 3 , 5 ,7}
n(a) = 4
p(a) = n(a) / n(s)
4/40
1/10
you can solve second by following this steps
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