Two fair coins are tossed simultaneously. What is the probability of getting 2 tails?
$$\frac{1}{4}$$
$$\frac{1}{2}$$
$$\frac{1}{3}$$
$$\frac{2}{3}$$
Two fair coins are tossed simultaneously. What is the probability of getting no head?
1
0.25
0
0.75
Two fair coins are tossed simultaneously. What is the probability of getting the same face on each coin?
0
1
0.5
0.25
Two fair coins are tossed simultaneously. What is the probability of getting different faces on the coins?
$$\frac{1}{3}$$
$$\frac{1}{4}$$
$$\frac{1}{2}$$
$$\frac{2}{3}$$
An urn contains 3 red, 5 blue, 4 green and 6 orange marbles. A marble is drawn from the urn at random. What is the probability that it is a green marble?
$$\frac{2}{9}$$
$$\frac{1}{9}$$
$$\frac{5}{9}$$
$$\frac{2}{3}$$
An urn contains 3 red, 5 blue, 4 green and 6 orange marbles. A marble is drawn from the urn at random. What is the probability that it is an orange marble?
$$\frac{1}{3}$$
$$\frac{2}{3}$$
$$\frac{5}{3}$$
$$\frac{2}{9}$$
A bag contains 4 white and 5 blue balls. They are mixed thoroughly and one ball is drawn at random. What is the probability of getting a blue ball?
$$\frac{4}{9}$$
$$\frac{2}{9}$$
$$\frac{5}{9}$$
$$\frac{1}{9}$$
A card is drawn from a well-shuffled deck of 52 cards. What is the probability of getting a diamond card?
$$\frac{1}{4}$$
$$\frac{1}{52}$$
$$\frac{3}{4}$$
$$\frac{2}{9}$$
A box has coupons numbered from 1 to 100. A coupon is picked. What is the probability that the number on the coupon is even?
$$\frac{1}{4}$$
$$\frac{1}{2}$$
$$\frac{1}{100}$$
$$\frac{1}{3}$$
An urn contains 3 red, 5 blue, 4 green and 6 orange marbles. A marble is drawn from the urn at random. What is the probability that it is not a red marble?
$$\frac{6}{5}$$
$$\frac{5}{6}$$
$$\frac{1}{6}$$
$$\frac{1}{2}$$
Typing
Two fair coins are tossed simultaneously. Type the probability (as a decimal number) of getting no tail.
An urn contains 5 red, 5 blue, 4 green and 6 orange marbles. A marble is drawn from the urn at random. Type the probability (as a decimal number) that it is either blue or orange marble.
Two fair coins are tossed 200 times. Two heads are obtained 120 times. Now, if the coin is tossed at random, type the experimental probability (as a decimal number) of getting 2 heads.
Type the probability (as a decimal number) that a number selected from the numbers 1, 2, 3, ..., 16 is a prime number.
A bag contains 4 red and 6 white balls. One ball is drawn at random. Type the probability (as a decimal number) that the ball drawn is white.
In a lottery, there are 10 prizes and 30 blanks. A ticket is chosen at random. Type the probability (as a decimal number) of getting a prize.
A box has coupons numbered from 1 to 100. A coupon is picked. Type the probability (as a decimal number) that the number on the coupon is a multiple of 3.
A box has coupons numbered from 1 to 100. A coupon is picked. Type the probability (as a decimal number) that the number on the coupon is a factor of 100.
If a coin is tossed twice, type the probability (as a decimal number) of getting a Head (H) and a Tail (T).