Activity 7.7
How Many Boys (or Girls)?
9
7. In taking a multiple-choice test, ther...
Mathematics, 23.04.2020 00:25, Emmaxox715
Activity 7.7
How Many Boys (or Girls)?
9
7. In taking a multiple-choice test, there are five possible answers for each problem, only one of
which is correct. Assume that someone guesses randomly on all 25 problems.
a. What is the probability of getting the first problem correct?
b. What is the probability of getting the first problem wrong?
c. What number of correct answers is needed to achieve a passing grade of 70%?
d. What is the probability of getting a passing grade with the minimum number correct?
Answers: 1
Mathematics, 21.06.2019 23:00, kaleahlove13
Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.
Answers: 3
Mathematics, 21.06.2019 23:30, rainbowboi
What is the simplified form of square root of 400 to the 100th power ?
Answers: 1
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