MATH 1342 Summer 1 2018 Online Alexis Bittch 1 6/1m8 5:53 PM Homework: Chapter 3
ID: 3367782 • Letter: M
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MATH 1342 Summer 1 2018 Online Alexis Bittch 1 6/1m8 5:53 PM Homework: Chapter 3 Required Practice Score: 0 of 1 pt 16 of 35 (34 complele) HW Score: 86 19%, 30 17 of 35 pts X: 3.2.35 Ar ore pont the average price of regular urloaded ganoline wan $3.72 per gallon Assume that the standard deviation price per gatlion is $0.00 per galon and use Chebyshev's nequaity to answer the tolowing (a) What percentage of gasoline stations had prices within 4 stendand deviations of the mean? (b) what centage of gasolne stations h d proes withn 1 5 standard devutors dthemean? what (c) What is the minmum percentage of gasolne stations that had prioes betweon $3 54 and $3.90 the g eine prom tw are wen 1 seaded dealin·of e nero (a) At least 1%ofgaolire stabris had prices wmin 4 standrd deviatom of teman. (Round to two decimal places as needed Enter your answer in the answer box and then click Check Aswr PaaningExplanation / Answer
a)% of gasoline prices within 4 std deviation =(1-1/k2)*100=(1-1/42)*100=93.75%
b)
% of gasoline prices within 1.5 std deviation=(1-1/1.52)*100=55.56%
1.5 std deviation away gasoline prices =3.72-/+1.5*0.09 =3.59 to 3.86
c)
% of station between 3.54 and 3.90 =(1-1/22)*100 =75.00%
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