Team Gmath Case study Chapter 13(Probability) A reliability of a COVID PCR test is specified as follows:(Case study problem probability 8 chapter 13 class 12) Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed … Read more
Case study Chapter 13 (Probability) Nisha and Arun appeared for first round of an competitive examination for two vacancies. The probability of Nisha’s selection is 1/6 and that of Arun’s selection is 1/4 based on the above information, answer the following question:(Case study problem probability 7 chapter 13 class 12) (a) Find the probability … Read more
Case study Chapter 13 (Probability) A coach is training 3 players. He observes that the player A can hit a target 4 times in 5 shots, player B can hit 3 times in 4 shots and the player C can hit 2 times in 3 shots from this situation answer the following(Case study problem probability … Read more
Case study chapter 13 ( Probability) Mahindra tractors is India’s leading farm equipment manufacturer. It is the largest tractor selling factory in the world. This factory has two machines A and B. Past recordshows that machine A produced 60% and machine B produced 40% of the output(tractors). Further 2% of the tractors produced by machine … Read more
Case study Chapter 13 (Probability ) After observing attendence register of class XII, class teacher Shri Mishra comes on conclusion that 30% students have 100% attendence and 70% students are irregular to attend class. When he observed previous year result, he found that 70% of all students who have 100% attendence attain distinction marks while … Read more
Case study (Probability) Read the following and answer the question(Case study problem probability 3 chapter 13 class 12) There are two shops in a village market named Lila general store and Mina general store. In Lila general store 30 tin pure Mustard oil, 40 tin adulterated mustard oil while in Mina general store 50 tin … Read more
EXERCISE 3.2 (MATRIX) Class 12 ncert solution math exercise 3.2 matrix Question 1: A= ,B=,C= Find each of the following (a) (b) (c) (d) (e) Solution:(a) (b) (c) (d) (e) Question 2: Compute the following: (a) (b) (c) (d) Solution: (a) (b) (c) (d) Question 3: Compute the indicated products: (a) (b) (c) (d) (e) … Read more
EXERCISE 3.1 (MATRIX) Class 12 ncert solution math exercise 3.1 matrix Question 1: (i) The order of the matrix (ii) The number of elements (iii) Write the elements Solution: (i) Since, in the given matrix, the number of rows is 3 and the number of columns is 4 , the order of the matrix is … Read more
Case study Chapter 13 (Probability) Read the following and answer the question(Case study problem probability 2 chapter 13 class 12) in a village there are three mohallas A, B and C. In A, 60% farmers believe in new technology of agriculture, while in B, 70% and in C, 80%. A farmer is selected … Read more
Case study Chapter 13 (probability) Read the following and answer the question(Case study problem probability 1 chapter 13 class 12) In an office three employees Vinay, Sonia and Iqbal process incoming copies of a certain form. Vinay processes 50% of the forms. Sonia processes 20% and Iqbal the remaining of 30% of the form. Vinay … Read more