1) What is discrete random variables? 2) What is continuous random variables? 3) Is a branch of mathematics that deals with defining a problem, collecting, organizing, analyzing and interpreting data that draws a purpose of conclusion. 4) It is a measure of likelihood that something will happen or occur. 5) Give an example of DISCRETE random variable. 6) Give an example of CONTINUOUS random variable. 7) Define experiment. 8) Define sample space. 9) Define Event. 10) What are the properties of a probability distribution? 11) What is mean? 12) What is the symbol of mean? 13) What is variance? 14) What is the symbol of variance? 15) What is the symbol of standard deviation? 16) What are the measures of central tendency? 17) It is the root of the variance. 18) Formula in finding the mean of a discrete variable. 19) What symbol is this Σ? 20) What is another term of average? 21) This formula σ2 = Σ(X-µ)2•P(X) is use in finding _____. 22) What is the symbol for Factorial? 23) What is the area under a normal curve? 24) What is the formula in finding the z-scores? 25) What is the other term of z-scores? 26) In the formula of z-scores, x stands for what? 27) In the formula of z-scores, µ stands for what? 28) In the formula of z-scores, σ stands for what? 29) The normal curve is formed by ___________. 30) The mean, the mode, and the median of a normal curve are ____________. 31) Identify the given z-value: z = 1.32 32) Identify the given z-value: z = 0.52 33) Identify the given z-value: z = 2.13 34) Identify the given z-value: z = 1.23 35) Identify the given z-value: z = 0.39 36) What would be the first operation in finding of z-scores? 37) It is the set of all possible outcomes of an experiment is called the ______________. 38) X is referring to what? 39) The sum of the probabilities of all values of the random variable must be equal to _____________. 40) Suppose three coins are tossed. How many possible outcomes? 41) How many standard deviation units are there at the baseline of a normal curve? 42) Complete the statement: The curve of a normal distribution extends indefinitely at the tails but does not ______________. 43) First step in identifying the region under the normal curve. 44) The area of normal distribution may also be expressed in terms of ____________ or _________ or _______. 45) The tail of the normal curve _____________indefinitely. 46) Is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter. 47) He discovered or introduced the Normal Distribution. 48) Normal Distribution is also known as _____________________ Distribution. 49) It is the measure of relative standing. 50) What is probability random sampling?

REVIEW - STATISTICS AND PROBABILITY Q3

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