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Formula for s in statistics?
s=sample standard deviation s=square root (Sum(x-(xbar))2 /(n-1) Computing formula (so you don't have to find the mean and the distance from the mean over and over): square root(Sxx /(n-1)) Sxx= Sum(x2) - ((Sum(x))2/n)
What is the probability of rolling a sum less than 6 with two dice?
There are 36 permutations of two dice. Of these, 10 sum to less than six; 1+1, 1+2, 1+3, 1+4, 2+1, 2+2, 2+3, 3+1, 3+2, and 4+1. The probability, then, of rolling a sum less than six is 10 in 36, or 5 in 18, or about 0.2778.
Math- What does sum mean?
Sum, or summation, is just addition. For example, the sum of 1 and 2 is 1 + 2 = 3. The term "sum" is generally used for large sets or series. For example, the sum of the first 100 natural numbers is 1 + 2 + 3 + ... + 100 = 495. Sum is the total of 2 or more numbers as determined by the math process. Mathematically it means the answer to an addition problem.
What is the probability of not rolling a sum of 5 with 2 dice?
It is 1 - Pr(rolling a sum of 5 with two dice) = 1 - Pr(1+4 or 2+3 or 3+2 or 4+1) = 1 - 4/36 = 8/9
What are the requirements for probability distribution?
(1) That the probabilities lie between 0 and 1. (2) The sum of all probabilities of the distribution sum up to 1.
What two positive integers whose product is 32 have the greatest sum?
The numbers 32 and 1 (32 x 1 = 32) sum to 33. The numbers 4 and 8 (4 x 8 = 32) sum to 12 The numbers 2 and 16 (2 x 16 = 32) sum to 18. There are no other factors which are integers, so 32 and 1 is the answer.
What Is 1 Over 2 minus 5 Over 32?
1/2 minus 5/32 is 11/32
What is 5 over 32 plus 1 over 2 in fraction?
5/32 + 1/2 = 5/32 + 16/32 = 21/32
What is the sum of 2 over 5 and 1 over 2?
The sum of those fractions is 9 over 10 or 9/10.
What is the sum of 5 over 6 2 over 3?
1.5 or 1 + 1 over 2
What is the sum of 1 over 8 plus 3 over 8?
The sum of 1/8 and 3/8 is 1/2
What is the sum for 1 over 5 and 1 over 3?
2 over 8
What is the simplest form of 16 over 32?
1 over 2 or 1/2
What is the sum of all factors of 20?
Factors of 20 are 1, 2, 4, 5, 10 and 20. And their sum is 1 + 2 + 4 + 5 + 10 + 20 = 32.
What does 87 and 1 half of 64 equal?
I am going to assume you are asking for the sum of 87 and 1/2 of 64. First, you solve for 1/2 of 64: 1/2 x 64 = 32. Next, add 87 and 32: 87 + 32 = 119.
What is the sum of the geometric sequence 8comma negative16comma 32 dot dot dot if there are 15 terms?
The sum of a geometric sequence is a(1-rn)/(1-r) In this case, a = 8, r = -2 and n=15 So the sum is 8(1-(-2)15)/(1+2) =8(1+32768)/3 =87,384 So the sum of the first 15 terms of the sequence 8, -16, 32, -64.... is 87,384.
Is 32 an abundant number?
No. The proper divisors of 32 are 1, 2, 4, 8, and 16. Their sum, 1 + 2 + 4 + 8 + 16 = 31, which is less than 32, so it is not an abundant number.
