Mathematics, 26.03.2020 01:57 ineedhelp2285
A recent survey was conducted to compare the cost of solar energy to the cost of gas or electric energy. Results of the survey revealed that the distribution of the amount of the monthly utility bill of a 3-bedroom house using gas or electric energy had a mean of $97 and a standard deviation of $12. If nothing is known about the shape of the distribution, what percentage of homes will have a monthly utility bill of less than $73?
a)at least 75%
b)at most 25%
c)at most 11.1%
d)at least 88.9%
Answers: 2
Mathematics, 21.06.2019 14:30
Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =
Answers: 1
Mathematics, 21.06.2019 20:10
Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655
Answers: 1
Mathematics, 21.06.2019 21:30
Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =
Answers: 3
Mathematics, 21.06.2019 23:00
What is the sum of the first 8 terms of the geometric series
Answers: 3
A recent survey was conducted to compare the cost of solar energy to the cost of gas or electric ene...
Mathematics, 30.04.2021 01:10
English, 30.04.2021 01:10
Geography, 30.04.2021 01:10
Biology, 30.04.2021 01:10
English, 30.04.2021 01:10
Mathematics, 30.04.2021 01:10
Mathematics, 30.04.2021 01:10
Mathematics, 30.04.2021 01:10
Mathematics, 30.04.2021 01:10
Mathematics, 30.04.2021 01:10
Social Studies, 30.04.2021 01:10