Random Variables and Probability Distributions
Let S be a sample space associated with a given random experiment. A real valued function X which assigns to each w i S, a unique real number, X( w i ) = x i is called a random variable . Two types of random variables are 1. Continuous random variableh..
Variable oxidation states
By the study of electronic configuration of transition metals it is understood that variable oxidation state can be formed as there are both ns and (n-1)d electrons in bonding. The participation of ns electrons in bonding leads to +2 oxidation state which is a lower oxidation state. The ..
Variable
Quantities such as height, weight, age, amount can have several different values. Quantities which can assume different numerical values are called variables. Variables are of two types: (a) Continuous (b) Discre..
Variables
A set of observations is called a called a collection of data. These observations should possess some common characteristics. They are recorded and used for further study. The quantities such as age, height and number of students are called variables..
Two 6-sided dice are rolled simultaneously. List all the outcomes, whe..
Two 6-sided dice are rolled simultaneously. List all the outcomes, where the sum of the two numbers is 7. => (1, 6), (2, 5), (3, 4), (4, 3), (5, 2), (6, 1) or (4, 4), (5, 1), (6, 3) or (1, 5), (2, 6), (3, 3) or None of the above..
Two 6-sided dice are rolled simultaneously. List all the outcomes, whe..
Two 6-sided dice are rolled simultaneously. List all the outcomes, where the sum of the two numbers is 9. => (3, 6), (4, 5), (5, 4), (6, 3) or (2, 7) or (2, 7), (7, 2) or None of the above..
Two 6-sided dice are rolled simultaneously. List all the outcomes, whe..
Two 6-sided dice are rolled simultaneously. List all the outcomes, where the sum of the two numbers is 9. => (2, 7), (7, 2) or (3, 6), (4, 5), (5, 4), (6, 3) or (2, 7) or None of the above..
Two dice were thrown simultaneously. Express verbally the probability ..
Two dice were thrown simultaneously. Express verbally the probability of getting a double. => 4 out of 36 or 3 out of 36 or 6 out of 36 or 5 out of 36..
Which of the following expressions is a variable expression?
Which of the following expressions is a variable expression? => 3 ÷ 1 or 3 - 4 or 9(2 x ) or None of the above..
Four queen cards are placed on the table. A coin is tossed and one of ..
Four queen cards are placed on the table. A coin is tossed and one of the queen is chosen simultaneously. What is the probability of getting a tail on the coin and the queen of diamonds? => 1 8 or 1 2 or 3 8 or 1 4..
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