Quick Problem Calculator

Factorial Calculator

n!
Enter the factorial number here:
Answer:


Permutation Calculator

nPr
Enter the value for N here:
Enter the value for R here:
Answer:


Combination Calculator (a.k.a. From N, Choose R)

nCr
Enter the value for N here:
Enter the value for R here:
Answer:


Binomial Distribution Calculator

nCx * p^x * (1-p)^(n-x)
Enter the number of tries (N) here: 
Enter the number of successes (X) here:
Enter the probability of success (P) here:
Answer:


Hypergeometric Distribution Calculator

aCx * bC(n-x) / (a+b)Cn
Enter the total number of Type (A) here: 
Enter the total number of Type (B) here:
Enter the number of Type A selected (X) here:
Enter the total number of objects picked (N) here:
Answer:
 

Alpha Confidence Intervals Calculator

a ± tα/2 * se√( (1/n) + (x2/Sxx) )
Enter the value of a here:
Enter the value of tα/2 here:
Enter the standard error of estimate (se) here:
Enter the value of n here:
Enter the mean x (x) here:
Enter the value of Sxx here:
Answer: < α <
 

Beta Confidence Intervals Calculator

b ± tα/2 * (se/√Sxx)
Enter the value of b here:
Enter the value of tα/2 here:
Enter the standard error of estimate (se) here:
Enter the value of Sxx here:
Answer: < β <
 

y Confidence Intervals Average

(a + bx0) ± tα/2 * se√( (1/n) + ( (x0-x)2 / Sxx ) )
Enter the value of a here:
Enter the value of b here:
Enter the value of x0 here:
Enter the value of tα/2 here:
Enter the standard error of estimate (se) here:
Enter the value of n here:
Enter the mean x (x) here:
Enter the value of Sxx here:
Answer: < μy|x0 <
 

y Confidence Intervals Prediction Limits

(a + bx0) ± tα/2 * se√( 1 + (1/n) + ( (x0-x)2 / Sxx ) )
Enter the value of a here:
Enter the value of b here:
Enter the value of x0 here:
Enter the value of tα/2 here:
Enter the standard error of estimate (se) here:
Enter the value of n here:
Enter the mean x (x) here:
Enter the value of Sxx here:
Answer: < μy|x0 <

 

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