Outcome

Q. A die is thrown, what will be the probability of getting an even number?

Q.

Two unbiased coins are tossed simultaneously. The probability of getting at most one head is

1. 

2. 

3. 

4. 

Q. If a coin is tossed two times what is probability..... (1)Getting head at least once.. (2)Getting exactly one head

Q.

An unbiased die is thrown n times and n unbiased dice are thrown once. The sample set of the number of outcomes is the same for both cases.

1. True

2. False

Q. When a die is thrown, list the outcomes of an event of getting:
(a) a prime number (b) not a prime number

Q. Sid is sitting in a bus stop, noting down the time interval of the buses arriving at the stop.His readings are as follows:

Bus	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Time(hr:min)	8:15	8:18	8:23	8:29	8:32	8:40	8:45	8:52	8:54	9:00	9:07	9:13	9:20	9:25	9:32

What is the probability that the next bus come within 5 minutes?(in decimals

Q.

Theoretical probability, is also known as __?

Q. When a die is thrown, list the outcomes of an event of getting:
(a) a prime number (b) not a prime number

Q. Two coins are tossed simultaneously. The probability of getting atmost one head is

(a) $\frac{1}{4}$

(b) $\frac{3}{4}$

(c) $\frac{1}{2}$

(d) $\frac{1}{4}$

Q. On one page of a directory, there are 160 telephone numbers. The frequency distribution of the unit place digit is shown below:

Unit place digit	0	1	2	3	4	5	6	7	8	9
Frequency	19	16	18	21	14	11	15	16	13	17

From this page, one number is chosen at random. What is the probability that the units place digit of the chosen number is 6?
(a) $\frac{2}{5}$

(b) $\frac{3}{32}$

(c) $\frac{3}{80}$

(d) $\frac{29}{32}$

Q.

Two coins are tossed 1 by 1 what is the probability that both are not tails at least one Street

Q.

A fair coin can also be called an __?

Q.

There are 21 girls and 33 boys in a classroom. I want to randomly select one student to become the class leader. If I want to find the probability that the selected student is a girl, the number of favourable outcomes is ___.

Q. On one page of a telephone directory, there are 200 phone numbers. The frequency distribution of their units digits is given below:

Units digit	0	1	2	3	4	5	6	7	8	9
Frequency	19	22	23	19	21	24	23	18	16	15

One of the numbers is chosen at random from the page. What is the probability that the units digit of the chosen number is
(i) 5?
(ii) 8?

Q.

The event "Getting a sum not less than 10" when rolling two dice, has how many outcomes?

__

Q.

How many outcomes have no heads of every coin in a toss of multiples coins as given below?

1 coin - ___

2 coins - ___

3 coins - ___

Q. A dice is thrown 50 times and the outcomes are recorded as shown below.

Outcome	1	2	3	4	5	6
No. of times	11	9	8	5	7	10

If a dice is thrown at random, what is the probability of getting 8?
(a) $\frac{1}{5}$

(b) $\frac{3}{50}$

(c) $\frac{1}{3}$

(d) 0