Score: 0 of 1 pt 50f 5 (4 complete) HW Score: 3.2.35 fo) What ercer laverage pai

Question

Score: 0 of 1 pt 50f 5 (4 complete) HW Score: 3.2.35 fo) What ercer laverage paice df mar unleaded gasoline was $3 41 per gallon Assume that the standard deviatin price per galion in 50 05 pergalon and use Chebyshev's ingahe t (b) What percentage ofl gasoline stations had prices within 1.5 standard deviations of the mean? What (c) What is the minimum pencentage of gasoline stations that had prices between $3 17 and $3 657 are the gasoline prices that are wthin 15 standard deviations of the mean? (a) At least%ofgasoire stations had prees wehn 2 stadad devations of the mean (Round to two decimal places as noeded )

Explanation / Answer

SolutionA:

mean-2sigma<x<mean+2 sigma

3.41-2*0.06<X<3.41+2*0.06

3.29-3.41/0.06<z<3.53-3.41/0.06

-2<z<2

P(Z<2)-P(Z,<-2)

pnorm(2)-pnorm(-2)

0.9544997

0.9544997*100=95.45%

ANSWER:95.45%

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.