Mathematics, 15.11.2021 01:00 anamariarozo
Private nonprofit four-year colleges charge, on average, $26,094 per year in tuition and fees. The standard deviation is $7,155. Assume the distribution is normal. Let X be the cost for a randomly selected college. Round all answers to 4 decimal places where possible.
a. What is the distribution of X? X ~ N(
,
)
b. Find the probability that a randomly selected Private nonprofit four-year college will cost less than 22,107 per year.
c. Find the 69th percentile for this distribution. $
(Round to the nearest dollar.)
Answers: 3
Mathematics, 21.06.2019 16:00
Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply
Answers: 2
Mathematics, 22.06.2019 02:50
1. how do you find p(a and b) if a and b are dependent events for two or more actions, such as selecting two candies and drawing p(green, and then pink)?
Answers: 1
Mathematics, 22.06.2019 03:30
What is the value of x in the equation 1/5x - 2/3y = 30 , when y = 15
Answers: 1
Private nonprofit four-year colleges charge, on average, $26,094 per year in tuition and fees. The s...
Computers and Technology, 26.03.2020 20:57
History, 26.03.2020 20:57
Chemistry, 26.03.2020 20:57
Business, 26.03.2020 20:57
Mathematics, 26.03.2020 20:57
Social Studies, 26.03.2020 20:57
World Languages, 26.03.2020 20:57