Maths 12 Science CBSE Probability Solutions for MCQ in English

Maths 12 Science CBSE Probability Solutions for MCQ in English to enable students to get Solutions in a narrative video format for the specific question.

Expert Teacher provides Maths 12 Science CBSE Probability Solutions for MCQ through Video Solutions in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Probability not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Solution in a narrative video format.

Question:

A girl throws a die. If she gets a 5 or 6, she tosses a coin three times and notes the number of heads. If she gets 1, 2, 3 or 4, she tosses a coin two times and notes the number of heads obtained. If she obtained exactly two heads, what is the probability that she threw 1, 2, 3, or 4 with the die?     

Solution Video in English:

You can select video Solutions from other languages also. Please check Solutions in ( Hindi )

Similar Questions from CBSE, 12th Science, Maths, Probability

Question 1 :  Three numbers are selected at random (without replacement ) from first six positive integers. Let X denote the largest of the three numbers obtained. Find the probability distribution of X. Also, find the mean and variance of the distribution.  (View Answer Video)

Question 2 : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)

Question 3 : There are three coins. First is a biased that comes up tails 60% of the times, second is also a biased coin that comes up heads 75% of the times and third is an unbiased coin. One of the three coins is chosen at random and tossed, it shows heads, what is the probability that it was the first coin?      (View Answer Video)

Question 4 : In a group of 30 scientists workings on an experiment, 20 never commit error in their work and are reporting results elaborately. Two scientists are selected at random from the group. Find the probability distribution of the number of selected scientists who never commit error in work and reporting. Also find the mean of the distribution. What values are described in this question?  (View Answer Video)

Question 5 : A box contains 50 bolts and 50 nuts. Half of the bolts and nuts are rusted. If two items are drawn with replacement, what is the probability that either both are rusted or both are bolts.    (View Answer Video)

Questions from Other Chapters of CBSE, 12th Science, Maths

Determinant

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Question 5 : IfQuestion=QuestionandQuestionis Cofactor ofQuestion , then the value of Questionis given by (View Answer Video)

Application of Derivatives

Question 1 : Find two numbers whose sum is 24 and whose product is as large as possible. (View Answer Video)

Question 2 : Which of the following functions are strictly decreasing on Question (View Answer Video)

Question 3 : The line Question is a tangent to the curve Question at the point. (View Answer Video)

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Inverse Trigonometric Functions

Question 1 : Solve for
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Question 2 : If   Question  Find the values of x. (View Answer Video)

Question 3 : Write the principal value of   Question (View Answer Video)

Question 4 : Solve for
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Question 5 : Question Then x is equal to : (View Answer Video)