Home
Class 9
MATHS
A die has six faces numbered from 1 to 6...

A die has six faces numbered from 1 to 6. It is rolled and the number on the top face is noted. When this is treated as a random trial.
a) What are the possible outcomes ?
b)Are they equally likely? Why?
c) Find the probability of a composite number turning up on the top face.

Answer

Step by step text solution for A die has six faces numbered from 1 to 6. It is rolled and the number on the top face is noted. When this is treated as a random trial. a) What are the possible outcomes ? b)Are they equally likely? Why? c) Find the probability of a composite number turning up on the top face. by MATHS experts to help you in doubts & scoring excellent marks in Class 9 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PROBABILITY

    NCERT GUJARATI|Exercise TRY THESE|7 Videos

  • PROBABILITY

    NCERT GUJARATI|Exercise THINK, DISCUSS AND WRITE|3 Videos

  • PROBABILITY

    NCERT GUJARATI|Exercise DO THIS|3 Videos

  • POLYNOMIALS AND FACTORISATION

    NCERT GUJARATI|Exercise TRY THESE|5 Videos

  • PROOFS IN MATHEMATICS

    NCERT GUJARATI|Exercise EXERCISE - 15.4|15 Videos

Similar Questions

Explore conceptually related problems

A six faced fair die is thrown until 1 comes. Then , the probability that 1 comes in even number trials, is

(a) Write the probability of getting each number on the top face when a die was rolled in the following table. (b) Find the sum of the probabilities of all outcomes.

A balanced dice is thrown twice and the sum of the numbers appearing on the top face is observed to be 7. What is the conditional probability that the number 2 has appeared at least once ?

A spinner was spun 1000 times and the frequency of outcomes was recorded as in given table: Find (a) List the possible outcomes that you can see in the spinner (b) Compute the probability of each outcome. (c) Find the ratio of each outcome to the total number of times that the spinner spun (use the table)

A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed. Find the probability that the sum of numbers that turn up is (i0 9ii) 12.

Two dice, one red and one yellow, are thrown at the same time. Write down all the possible outcomes. What is the probability that the sum of the two numbers appearing on the top of the dice is (1) 8 (ii) 13 (iii) less than or equal to 12?

Two biased dice are thrown together. For the first dice P(6) = (1)/(2) , the other scores being equally likely while for the second dice, P(1) = (2)/(5) and the other scores are equally likely. Find the probability distribution of 'the number of ones seen'.

Let a die is loaded in such a way that prime number faces are twice as likely to occur as a non prime number faces. The probability that an odd number will be show up when die is tossed is-

A die has two faces each with number '1', three faces each with number '2' and one face with number '3'. If die is rolled once, determine (i) P(2) (ii) P(1 or 3) (iii) P(not 3)

A fair coin with 1 marked on one face and 6 on the other and a fair die are both tossed. Find the probability that the sum of numbers that turn up is (i) 3 (ii) 12.

Home
Profile