Mathematics, 26.10.2021 08:00 shainaanderson24
Two students taking a multiple choice exam with 20 questions and four choices for each question have the same, incorrect answer on seven of eight incorrectly answered problems. The probability that student B guesses the same incorrect answer as student A on a particular question is 1/4 and if the student is guessing the guess for one problem is independent of the guess for the other problems. The probability of getting agreement on seven or more out of eight questions is:.
a. 0.9996.
b. 0.0004.
c. 0.2500.
d. None of the above.
Answers: 2
Mathematics, 21.06.2019 13:30
Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?
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Mathematics, 21.06.2019 14:50
Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7
Answers: 2
Mathematics, 21.06.2019 20:00
Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39
Answers: 1
Two students taking a multiple choice exam with 20 questions and four choices for each question have...
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