Mathematics, 07.12.2020 20:00 david2154
2. Many students in the Midwest take both the SAT I and the ACT. One year, the distribution of SATI
math scores was approximately normal with mean 510 and standard deviation 110. The distribution
of ACT math scores was approximately normal with mean 20.1 and standard deviation 4.8.
a. What is the x-value that separates the bottom 65%?
b. A very special and lucrative scholarship goes to the students that score in the top 3%. What
is the least that score can be to receive that scholarship?
c. What are the x-values that are between the bottom 50% and the top 25%?
Answers: 3
Mathematics, 21.06.2019 18:00
What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15
Answers: 1
Mathematics, 21.06.2019 18:30
Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =
Answers: 1
Mathematics, 21.06.2019 18:40
Ten times the square of a non-zero number is eqaul to ninety times the number
Answers: 1
2. Many students in the Midwest take both the SAT I and the ACT. One year, the distribution of SATI...
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