The variable indicating whether a contestant performed below average, average, or above average in a competition is an example of a

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Die veranderlike wat aandui of 'n deelnemer onder gemiddeld, gemiddeld, of bo gemiddeld in 'n kompetisie presteer het, is 'n voorbeeld van 'n

You asked five of your classmates about their height. On the basis of this information, you state that the average height of all the students at your university is 168cm. This is an example of

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U het vyf van u klasmaats se lengtes gevra. Gebaseer op hierdie inligting beweer u dat die gemiddelde lengte val al die studente by u universiteit 168cm is. Dit is ‘n voorbeeld van

The time it takes an employee to complete an order is an example of a

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Die tyd wat dit vir 'n werker neem om 'n kliënt se bestelling te voltooi is 'n voorbeeld van 'n

‘n Firma klassifiseer klante op twee maniere, volgens: / A firm classifies its customers in two ways according to:

(I) of die rekening agterstallig is en / whether the account is overdue and

(II) of die rekening nuut is (minder as twaalf maande) of oud. / whether the account is new (less than twelve months) or old.

‘n Analise van die firma se records verskaf ons van die volgende tabel van gesamentlike waarskynlikhede: / An analysis of the firm’s records provides the following table of joint probabilities:

Een rekening word ewekansig geselekteer. / One account is randomly selected.

Indien die rekening agterstallig is, wat is die waarskynlikheid dat dit ‘n nuwe rekening is? / If the account is overdue, what is the probability that it is new?

Veronderstel die volgende gebeurtenisse: / Suppose the following events:

A = student slaag Statistiek en Datawetenskap 188 / student passes Statistics and Data Science 188

B = student neem Finansiële Rekeningkunde as hoofvak / student takes Financial Accounting as major

Verder / Also

P(A) = 0.38                  P(A | B) = 0.50                        P(A en / and B) = 0.24

Die waarskynlikheid dat ‘n student nie Statistiek en Datawetenskap 188 slaag nie, gegee dat die student nie Finansiële Rekeningkunde as hoofvak neem nie. / The probability that student does not pass Statistics and Data Science 188, given that the student does not take Financial Accounting as a major.

‘n Enkele dobbelsteen word gegooi. Wat is die waarskynlikheid dat dit op ‘n getal kleiner as vyf land? / A single die is rolled. What is the probability that it lands on a number less than five?

Die waarskynlikheid dat ‘n sekere deur gesluit is, is 0.6. Die sleutel vir die deur is een van vyf ongeïdentifiseerde sleutels op ‘n sleutelhouer. U kies ewekansig twee sleutels van die sleutelhouer voor u die deur nader. Die waarskynlikheid dat u die deur kan oopmaak sonder om vir nog sleutel terug te gaan is / The probability that a certain door is locked is 0.6. The key to the door is one of five unidentified keys hanging on a key chain. You randomly select two keys from the key holder before approaching the door. The probability that you can open the door without returning for another key is

‘n Houer bevat 25 onderdele waarvan drie defektief en 22 nie-defektief is. Indien twee onderdele ewekansig en sonder terugplasing gekies word, is die waarskynlikheid dat slegs een defektief is  / A box contains 25 parts, of which three are defective and 22 are non-defective. If two parts are selected without replacement, the probability that exactly one part is defective, is

Gebeurtenisse A, B en C word gedefinieer op ‘n steekproefruimte S. Die gebeurtenisse is onderling uitsluitend en hulle vereniging is S. Verder is gebeurtenis B twee keer meer waarskynlik as gebeurtenis A, en gebeurtenis C is twee keer meer waarskynlik as gebeurtenis B. Die waarskynlikheid van elk van die drie gebeurtenisse is onderskeidelik / Events A, B, and C are defined on a sample space S. The events are mutually exclusive and their union is S. Furthermore, event B is twice as likely to occur as event A, and event C is twice as likely to occur as event B. The probability of each of the three events are, respectively

Veronderstel die volgende gebeurtenisse: / Suppose the following events:

A = student slaag Statistiek en Datawetenskap 188 / student passes Statistics and Data Science 188

B = student neem Finansiële Rekeningkunde as hoofvak / student takes Financial Accounting as major

Verder / Also

P(A) = 0.38                  P(A | B) = 0.50                        P(A en / and B) = 0.24

Die waarskynlikheid dat ‘n student nie Statistiek en Datawetenskap 188 slaag nie, gegee dat die student Finansiële Rekeningkunde as hoofvak neem. / The probability that student does not pass Statistics and Data Science 188, given that the student does take Financial Accounting as a major.