Mathematics, 07.07.2021 04:50 amorosoavap5cejz
According to the U. S. Census Bureau, the mean of the commute time to work for a resident of San Antonio, Texas is 26.0 minutes. Assume that the standard deviation of the commute time is 5.6 minutes to complete parts (a) through (c).
(a) What minimum percentage of commuters in San Antonio has a commute time within 3 standard deviations of the mean?
% (Round to one decimal place as needed.)
(b) What minimum percentage of commuters in San Antonio has a commute time within 1.5 standard deviations of the mean? What are the commute times within 1.5 standard deviations of the mean?
The minimum percentage of commuters in San Antonio that has a commute time within 1.5 standard deviations of the mean is %. (Round to one decimal place as needed.)
The commute times within 1.5 standard deviations of the mean are between ___ and minutes. (Type integers or decimals. Do not round. Use ascending order.)
(c) What is the minimum percentage of commuters who have commute times between 3.6 minutes and 48.4 minutes?
% (Round to one decimal place as needed.)
Answers: 2
Mathematics, 21.06.2019 19:00
How many solutions does the nonlinear system of equations graphed bellow have?
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Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
According to the U. S. Census Bureau, the mean of the commute time to work for a resident of San An...
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