Josh scores a 75, 60, and 94, on the first 3 exams. If his 4th
exam...
Josh scores a 75, 60, and 94, on the first 3 exams. If his 4th
exam is 10/9 of the average of the first three, what does he have
to score on the next two in order to average a 85 on exams?"
Please show work on how to get this answer. More
interested in the problem solving process than the
answer.
A king and his army will attempt to capture a fortress. The left
and right flanks...
A king and his army will attempt to capture a fortress. The left
and right flanks break off from the main group to attack the west
and east guard towers. Suppose the left flank has a 60% chance of
success and the right flank has a 75% chance of success,
independently of one another.
If both flanks capture their respective targets, then the king has
a 98% chance of successfully taking the fort. If, however, only the
left flank captures...
(1 point) A professor using an open source introductory
statistics book predicts that 15% of the...
(1 point) A professor using an open source introductory
statistics book predicts that 15% of the students will purchase a
hard copy of the book, 40% will print it out from the web, and 45%
will read it online. At the end of the semester he asks his
students to complete a survey where they indicate what format of
the book they used. Of the 152 students, 20 said they bought a hard
copy of the book, 68 said they...
Jack Black, engineer extraordinaire, had just returned from
taking a 30-page exam in his engineering management...
Jack Black, engineer extraordinaire, had just returned from
taking a 30-page exam in his engineering management graduate
program. His boss, Lucy (who certainly had a thing for diamonds and
atmospheric sciences) asked Joe to evaluate a new project. Because
Jack was quite discombobulated from his testing extravaganza he had
a tough time. He persevered and brought Lucy two answers. A future
worth that was > 0 and a present worth that was < 0. What
should Lucy say to Jack?
A business statistics professor gives 100-point exams to two
different sections of business statistics. The scores...
A business statistics professor gives 100-point exams to two
different sections of business statistics. The scores in one
section, Section 001, of the class were 40, 50, 61, 63, 67, 74, 74,
76, 76, 78, 78, 80, 82, 86, 87, 87, 87, 88, 90, 90, 91, 92, 92, 93.
The other class, Section 002, had scores of 67, 67, 68, 75, 75, 76,
79, 79, 80, 80, 80, 83, 86, 87, 87, 88, 89, 89, 90, 90, 90,
91.
Based...