Mathematics, 31.03.2020 17:33, masonbitterman2604
Consider a multiple-choice examination with 50 questions. Each question has four possible answers. Assume that a student who has done the homework and attended lectures has a 75% chance of answering any question correctly. (Round your answers to two decimal places.)
a. A student must answer 43 or more questions correctly to obtain a grade of A. What percentage of the students who have done their homework and attended lectures will obtain a grade of A on this multiple-choice examination (to 2 decimals)?
b. A student who answers 35 to 39 questions correctly will receive a grade of C. What percentage of students who have done their homework and attended lectures will obtain a grade of C on this multiple-choice examination (to 2 decimals)?
c. A student must answer 30 or more questions correctly to pass the examination. What percentage of the students who have done their homework and attended lectures will pass the examination (to 2 decimals)?
d. Assume that a student has not attended class and has not done the homework for the course. Furthermore, assume that the student will simply guess at the answer to each question. What percentage of students who have not done their homework and have not attended class will answer 30 or more questions correctly and pass the examination (to 2 decimals)?
Answers: 3
Mathematics, 21.06.2019 15:10, ineemorehelp
Can (2,3 and square root 10) be sides ona right triangle?
Answers: 1
Mathematics, 21.06.2019 16:00, Jenifermorales101
The equation x2 β 1x β 90 = 0 has solutions {a, b}. what is a + b?
Answers: 1
Mathematics, 21.06.2019 17:10, sujeyribetanco2216
The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.
Answers: 1
Mathematics, 21.06.2019 20:30, amyaacrawford86
Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2
Answers: 2
Consider a multiple-choice examination with 50 questions. Each question has four possible answers. A...
History, 06.11.2020 20:30
Arts, 06.11.2020 20:30
Mathematics, 06.11.2020 20:30
Mathematics, 06.11.2020 20:30
Mathematics, 06.11.2020 20:30