Difference between revisions of "Documentation/How Tos/Calc: B function"
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− | __NOTOC__ | + | {{DISPLAYTITLE:B function}} |
+ | {{Documentation/CalcFunc StatisticalTOC | ||
+ | |ShowPrevNext=block | ||
+ | |PrevPage=Documentation/How_Tos/Calc:_VARPA_function | ||
+ | |NextPage=Documentation/How_Tos/Calc:_BETADIST_function | ||
+ | }}__NOTOC__ | ||
== B == | == B == | ||
− | + | Calculates probabilities for a binomial distribution. | |
=== Syntax: === | === Syntax: === | ||
− | <tt>'''B(n; p; | + | <tt>'''B(n; p; k; k2)'''</tt> |
− | : With <tt>'''n'''</tt> independent trials, each with a probability <tt>'''p'''</tt> of success, <tt>'''B'''</tt> returns the probability that the number of successes will be between <tt>''' | + | : With <tt>'''n'''</tt> independent trials, each with a probability <tt>'''p'''</tt> of success, <tt>'''B'''</tt> returns the probability that the number of successes will be between <tt>'''k'''</tt> and <tt>'''k2'''</tt> inclusive, or if <tt>'''k2'''</tt> is omitted the probability that the number of successes will be exactly <tt>'''k'''</tt>. |
+ | |||
+ | : The probability is calculated as: | ||
+ | :: [[Image:Calc_b_equation.png]] (where <tt>'''k2'''</tt> = <tt>'''k'''</tt> if <tt>'''k2'''</tt> is omitted). | ||
=== Example: === | === Example: === | ||
Line 13: | Line 21: | ||
: returns approximately 0.29 (29%), the probability that the number four will be thrown exactly twice in 10 throws of a die. | : returns approximately 0.29 (29%), the probability that the number four will be thrown exactly twice in 10 throws of a die. | ||
− | === | + | === Issues: === |
− | [[Documentation/How_Tos/Calc: BINOMDIST function| | + | * Excel does not have this function. |
+ | |||
+ | |||
+ | {{SeeAlso|EN| | ||
+ | * [[Documentation/How_Tos/Calc: BINOMDIST function|BINOMDIST]] | ||
+ | |||
+ | * [[Documentation/How_Tos/Calc: Statistical functions|Statistical functions]] | ||
− | [[Documentation/How_Tos/Calc: | + | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] |
+ | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} | ||
+ | [[Category: Documentation/Reference/Calc/Statistical functions]] |