Q3: A box contains 12 red balls, 9 black balls, and 5 white balls. If you pulled four balls in a row and without return. Calculate the tolowng te. 4- The probability that the first balls are white, the second red, the third white, and the fourth black. 5- The probability that at least one of them is white.

Q: question 19

A: a)The two methods to test the difference in mean are: z-test t-test

Q: Question 12

A: Given: Value of the trading card = $155 (in 2009) Each year increases by = 4.8% = 0.048 To…

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A: For Group : Dominant Individual Standard Deviation, s: 0.05410 Count, N: 9 Sum, Σx: 2.755…

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Q: 18 and 19

A: Question 18 : Consider the statement "If A∪C ⊂ B∪C, then  A ⊂ B " which of the following is a…

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Q: Question 12

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Q: Question 12

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Q: Question 20

A: Given Data :  General form of the sequence an=2(an-1)+1, a1=4 To Find : The first four terms of the…

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A: The objective of the question is to prove that the expected value of a non-negative discrete random…

Q: 20. f(x) = e*(x- 2), on the intervals (a) [-2, 2] (b) (0,3) (c) [0, 00) (d) (-0o, 0]

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.