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Statistics
Statistics deals with collecting, organizing, and interpreting numerical data. An important aspect of statistics is the analysis of population characteristics inferred from sampling.
36,755 Questions
The random variable Z is the standard normal score. Find the number a if P Za equals 0.9830?
a = ±2.12, depending on the inequality for Z.
How many 5 digit numbers are there with distinct numbers?
I suspect you mean "without repeated digits", and I'll answer it that way.
Here's how I would construct all the 5-digit numbers without repeated digits:
The first digit can be any one of 9 (1 thru 9 but not zero). For each of these . . .
The second digit can be any one of 9 (zero thru 9 but not the same as the first one). For each of these . . .
The third digit can be any one of the remaining 8. For each of these . . .
The fourth digit can be any one of the remaining 7. For each of these . . .
The fifth digit can be any one of the remaining 6.
Total number of possibilities = (9 x 9 x 8 x 7 x 6) = 27,216
How many numbers up to 100 have 1 in their units digit?
10.
They are 1, 11, 21, 31, 41, 51, 61, 71, 81, and 91.
Which car will move first if their are 15 marbles while the other has 10 marbles?
I presume you mean they're on a slope. In which case, the car with the most marbles will move first, because it's heavier.
How many times digit 1 is used to make all 2 digit numbers?
19 times
10,11 (is 2),12,13,14,15,16,17,18,19,21,31,41,51,61,71,81 and 91
What are the odds of getting an even number on an eight sided die four times in a row?
One half, 1:2, 1/2, etc...
How many equal groups of cards can be made from a standard deck of 52 cards?
52/1 = 52
52/2 = 26
52/4 = 13
52/13 = 4
52/26 = 2
52/52 = 1
6 groups. 1 group of 52 counts, right?
2178 x 4 = 8712
What are the variables associated with heterosexual romance?
a big long and juicy dick and a tightass vagina
Square of the deviation will be less if?
If the deviation is small ie if the distribution is packed close to the mean.
Range is the largest minus the smallest value; so 12 - 6 is range of 6.
HOW you can simulat the poisson random measure?
A simple way of generating poisson random numbers is given by Knuth, in his book "The Art of Computer Programming" in the chapter on Seminumerical Algorithms. I can't quote it directly here, due to copyright and plagarism limitations, but the Related Link below contains a reference to it.
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How do you find the maximum of a set of numbers?
The maximum of a set of numbers is the largest number in the set.
What did joann carl fried rich gauss do to contribute to math?
Lots of stuff. Why don't you check his wikipedia page?
How do you work out speed using mean and median?
Mean is the average of a set of data points = (Sum of all data) / Quantity of Data
Median is the middle of a set of data points = Data whose index is the integer nearest ((Number of Data+1) / 2)
Example Data:
2, 3, 5, 3, 2
The mean = (2+3+5+3+2)/5 = 15/5 = 3
The median = Index((5+1)/2) = Index(6/2) = Index(3). The third item on our list is 5.
Flip coin 50 times and toss number cube 5o times what is the probability.?
The question does not say which event the probability is required for!
