Mathematics, 21.02.2020 03:51 moose12002
A student takes a multiple choice test. Each question has N answers. If the student knows the answer to a question, the student gives the right answer, and otherwise guesses uniformly and at random. The student knows the answer to 70% of the questions. Write K for the event a student knows the answer to a question and R for the event the student answers the question correctly. (a) What is P(K)? (b) What is P(RIK)? (c) What is P(KR), as a function of N? (d) What values of N will ensure that P(K|R) >99%?
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 18:00
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 1
Mathematics, 21.06.2019 19:30
The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.
Answers: 1
Mathematics, 21.06.2019 22:10
In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2
Answers: 3
Mathematics, 21.06.2019 22:30
The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?
Answers: 1
You know the right answer?
A student takes a multiple choice test. Each question has N answers. If the student knows the answer...
Questions
Chemistry, 10.02.2020 00:16
Biology, 10.02.2020 00:16
Biology, 10.02.2020 00:17
Mathematics, 10.02.2020 00:17
History, 10.02.2020 00:17
English, 10.02.2020 00:17
Mathematics, 10.02.2020 00:17
English, 10.02.2020 00:18
Mathematics, 10.02.2020 00:18
Chemistry, 10.02.2020 00:18
