subject
Mathematics, 08.02.2021 19:00 james1110

Radon is a naturally occurring gas and is the second leading cause of lung cancer in the United States. It comes from the natural breakdown of uranium in the soil and enters buildings through cracks and other holes in the foundations. Found throughout the United States, levels vary considerably from state to state. Several methods can reduce the levels of radon in your home, and the Environmental Protection Agency ecommends using one of these if the measured level in your home is above 4 picocuries per liter. Four readings from Franklin County, Ohio, where the county average is 9.32 picocuries per liter, were 5.2, 13.8, 8.6, and 16.8. Required:
a. Find the mean step-by-step.
b. Find the standard deviation step-by-step.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, TheRunningPotatoe245
Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false
Answers: 2
image
Mathematics, 21.06.2019 21:00, daynafish13
Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above
Answers: 2
image
Mathematics, 21.06.2019 22:00, IsabellaGracie
State one method by which you can recognize a perfect square trinomial.
Answers: 1
image
Mathematics, 21.06.2019 22:10, afrimart1
When is g(x) = 0 for the function g(x) = 5.23x + 4?
Answers: 1
You know the right answer?
Radon is a naturally occurring gas and is the second leading cause of lung cancer in the United Stat...

Questions in other subjects:

Konu
Mathematics, 14.11.2020 08:30
Konu
Business, 14.11.2020 08:30
Konu
Mathematics, 14.11.2020 08:30
Konu
Mathematics, 14.11.2020 08:30
Konu
Biology, 14.11.2020 08:30
Konu
Chemistry, 14.11.2020 08:30