Download Probability and Permutations Practice Problems and more Exams Probability and Statistics in PDF only on Docsity!
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five flips?Showyourwork.(Hint:^ applyPascal'sTriangle)
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3. List thesamplespacefor the^ followingexperiment:Tossa four-sideddie(1,2,3,4)
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4. Is a passwordthat doesnot allow replacementof charactersa permutation?Explain.
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SHORT ANSWER. Write the word or phrase^ that best completeseachstatementor ansrdersthe question. Show your work for full credit.(3^ pts/problemunlessnoted^ otherwise)
- A pair of fair dice is rolled 50 times and the sum of the dots on the faces is noted.
Outcome 12 3 4 5 6 7 8 9 10 11 72
Compute the empirical probability that the sum rolled ir &Euelgg"_2-
- An employment agencyrequired 20 secretarialcandidatesto type the samemanuscript, The number of errors found in eachmanuscriptis summarizedin the histogram.Find the empirical probability that a candidatehas lessthan four errors^ in the typed manuscript.
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- Howmanydistinguishablearrangementsoflettersarepossibleintheword"BASEBALL"?,,^ 5O^ \O
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- Given that the od&in favor of a horse winning the race^ is 4:7^ what is the probability that the horse^ 16) willwin? A ) 7 | l L B) 7:
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- Abagcontains 9 red marbles,2 blue marbles,and 5 greenmarbles.What is the probability of choosinga blue marble?
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- tf tre fa{r dtce are rolled, find the probability sf a "double" given that the sum is 11. A)+ u)+ c ) 0
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17. Whatis theprohbility thatyou will hit the shadedregiongiventhat you hit the taryet
somewhere?Showyour work. 1+pts;
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Questions18- 20^ referto the^ following: A surveyof how studentgetto schoolwas
takenand 140studentsreportedthattheywalk (W) to school,^200 studentsreported
thatget^ a ride (R) to school,75 studentsreportedthey^ getto schoolmixing^ how they
travelsometimeswalkingandothertimesriding, and25studentsreportedthat^ they
neitherwalk nor'dothey geta carride^ to school(2pts/problem).
18.Sketcha Venndiagramfor theproblem.
19.CalculateP(Wil *1.
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20.CalculateP(Wn R).
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"I'd tike tu dedicatethis day n-a1il^y students
who complainthat nothing^ in- t"iriie everhaPPmsin school'"
