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Stuvia-2933760-STA1610-Assigment 2-Semester 1-2023-solutions
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- University Of South Africa (Unisa)
Stuvia--STA1610-Assigment 2-Semester 1-2023-solutions
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STA1610 ASSIGNMENT 2 2023SOLUTIONS
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Started on Tuesday, 20 June 2023, 5:02 PM
State Finished
Completed on Tuesday, 20 June 2023, 5:19 PM
Time taken 17 mins 4 secs
Marks 25.00/25.00
Grade 100.00 out of 100.00
Question 1
Correct
Which one of the following statements is incorrect with regard to experiments, counting rules and assigning
Mark 2.00 out of
probabilities?
2.00
a. An experiment with 3 steps and 2 outcomes possible for each step has 9 experimental outcomes.
b. The number of permutations of 4 items that can be selected from a group of 7 items is 840.
c. The number of combinations of 4 items that can be selected from a group of 7 items is 35.
d. In an experiment with 5 equally likely outcomes, each experimental outcome has a probability of 0.2.
e. A classical method of assigning probabilities is appropriate when all experimental outcomes are equally
likely.
Downloaded by: ramaanoemmanuel | ramaanoe23@gmail.com Want to earn
Distribution of this document is illegal R13,625 per year?
,Firefox https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=11375296&cmid=621490
Stuvia.com - The study-notes marketplace
Started on Tuesday, 20 June 2023, 4:27 PM
State Finished
Completed on Tuesday, 20 June 2023, 4:59 PM
Time taken 32 mins 27 secs
Marks 25.00/25.00
Grade 100.00 out of 100.00
Question 1
Correct
Which one of the following statements is incorrect with regard to experiments, counting rules and assigning
Mark 2.00 out of
probabilities?
2.00
a. An experiment with 3 steps and 4 outcomes possible for each step has 64 experimental outcomes.
b. The number of permutations of 4 items that can be selected from a group of 8 items is 70.
c. The number of combinations of 5 items that can be selected from a group of 7 items is 21.
d. In an experiment with 4 equally likely outcomes, each experimental outcome has a probability of 0.25.
e. A subjective method of assigning probabilities is most appropriate when one cannot assume equally likely
experimental outcomes.
Downloaded by: ramaanoemmanuel | ramaanoe23@gmail.com Want to earn
Distribution of this document is illegal R13,625 per year?
,Firefox https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=11375168&cmid=621490
Stuvia.com - The study-notes marketplace
Started on Tuesday, 20 June 2023, 4:14 PM
State Finished
Completed on Tuesday, 20 June 2023, 4:40 PM
Time taken 26 mins 21 secs
Marks 25.00/25.00
Grade 100.00 out of 100.00
Question 1
Correct
Which one of the following statements is incorrect with regard to experiments, counting rules and assigning
Mark 2.00 out of
probabilities?
2.00
a. An experiment with 3 steps and 4 outcomes possible for each step has 64 experimental outcomes.
b. The number of permutations of 4 items that can be selected from a group of 8 items is 70.
c. The number of combinations of 5 items that can be selected from a group of 7 items is 21.
d. In an experiment with 4 equally likely outcomes, each experimental outcome has a probability of 0.25.
e. A subjective method of assigning probabilities is most appropriate when one cannot assume equally likely
experimental outcomes.
Downloaded by: ramaanoemmanuel | ramaanoe23@gmail.com Want to earn
Distribution of this document is illegal R13,625 per year?
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