The probability of choosing a white ball from a bag containing only white and yellow balls is$$\frac{2}{9}$$. If there are 36 balls in the bag, how many of them are yellow?
28
20
26
30
A fair coin is tossed once. What is the probability of getting a head?
$$\frac{1}{2}$$
$$\frac{2}{5}$$
$$\frac{1}{6}$$
$$\frac{1}{4}$$
A fair die is rolled once. What is the probability of getting an even number?
$$\frac{1}{2}$$
$$\frac{1}{4}$$
$$\frac{1}{6}$$
$$\frac{3}{4}$$
A coin is tossed 50 times and the head appears 30 times. What is the experimental probability of getting a tail?
$$\frac{2}{5}$$
$$\frac{3}{5}$$
$$\frac{1}{3}$$
$$\frac{1}{2}$$
Two coins are tossed simultaneously. What is the probability of getting exactly one head?
$$\frac{1}{2}$$
$$\frac{3}{4}$$
$$\frac{2}{5}$$
$$\frac{1}{4}$$
A box contains 20 eggs out of which 8 are spoiled. One egg is taken out at random from the box. What is the probability that the egg is not spoiled?
