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Example of Probability:
Example:
By using a die, what is the probability of rolling two 3s in a row?
Solution:
From the previous example, there is a 1/6 chance of rolling a three on a single throw. Thus, the chance of rolling two threes is:
1/6 x 1/6 = 1/36 one in 36 tries.
An elementary game is played through rolling a die and drawing a ball from a bag holding 3 white and 7 black balls. The player wins while he rolls a number less than 4 and draws a black ball. What is the probability of winning in the first attempt?
There are 3 successful outcomes for rolling less than a 4, (i.e. 1,2,3). The probability of rolling a 3 or less is:
3/(3+3) = 3/6 = 1/2 or 50%.
A probability of drawing a black ball is:
7/(7+3) = 7/10.
Thus, the probability of both events happening at the similar time is:
7/10 x 1/2 = 7/20.
Fermat's Theorem If f(x) has a relative extrema at x = c and f′(c) exists then x = c is a critical point of f(x). Actually, this will be a critical point that f′(c) =0.
How may six digit numbers can be made in which the sum of the digits is even? Ans = 9*10*10*10*10*5
Q. Adding Fractions with the Same Denominator? Adding fractions with the same denominator is easy- you add the numerators (the tops), and you leave the denominator alone!
how to evaluate the sums
how do you convert a fraction to a percent?
.755 convert to a percent
question paper on fractions
compare 643,251;633,512; and 633,893. The answer is 633,512
John was doing his homework on vertical addition, and had to compute : 5 3+ 3 4 and 6 8 +45 He did the first one easily, just the way his teacher had taught him. He first ad
Let R be the relation on S = {1, 3, 6, 9, 27} defined by aRb iff a|b. (a) Write down the matrix of R. (b) Draw the digraph of R. (c) Explain whether R is reflexive, irrere
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