Question

Exercise 16 (D)
1. Tell whether the following is certain to happen,
impossible, can happen but not certain.
Remernber to "certain to happen" has probability
un to happen has probability
'1' 'impossible' has probability 'O' and 'can happen
but not certain' is between 0 to 1.
(a) It will rain tomorrow.
(b) A tossed coin will land heads up.
-) Gandhi Jayanti is celebrated on 1st October
(d) You will stood first in exam.
(e) Drawing a triangle with 4 sides.
(1) The die showing 8.
(g) The next traffic light will be green
2. Find the probability of choosing a vowel from
English alphabet.
3. Find the probability of the following when a die is
thrown:
(a)Even number (b) Odd number
(c) Composite number (d) Prime number.
4. If one letter is choosen at random from the word
'mathematics. Find the probability of choosing:
(a)'m' alphabet
(b) 'a' alphabet
(c) 'd alphabet.
Oral Assignment
5. A number from 1 to 20 are choosen af random,
find the probability of choosing a prime number.
6. For admission in a school in Ist class. Find the
probability of selecting a student if 50 seats are
available and the number of applicant is 200.
7. A coin is flipped to decide which team starts the
game. What is the probability that your team will
start the game?
INCERT)
8. 200 families of a town with 2 children were selected
randomly and following data were recorded.
No. of Girls 2 1 0
No. of Families
105 30
Find the probability of a family choosen at random,
having?
(a)No girls
(b) Two girls
(c) One girl.
9. A bag contains 75 red balls, 25 green balls and 90
blue balls. A ball is taken out from the bag at random.
What is the probability that this ball is not a blue
ball?
65​

Answer 1

Answer:b

Step-by-step explanation: i cannot explain but trust