Mathematics, 06.11.2020 19:30 laniflower6
1. At a college the scores on the chemistry final exam are approximately normally distributed, with a mean of
75 and a standard deviation of 12. The scores on the calculus final are also approximately normally
distributed, with a mean of 80 and a standard deviation of 8. A student scored 81 on the chemistry final and
84 on the calculus final. Relative to the students in each respective class, in which subject did this student do
better?
The student did better in chemistry
B) The student did better in calculus.
C) The student did equally well in each course,
D
There is no basis for comparison, since the subjects are different from each other and are in different
departments
E There is not enough information for comparison, because the number of students in each class is not known
Answers: 3
Mathematics, 21.06.2019 17:30
Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.
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Mathematics, 21.06.2019 19:00
What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)
Answers: 2
Mathematics, 21.06.2019 19:00
Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?
Answers: 1
1. At a college the scores on the chemistry final exam are approximately normally distributed, with...
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