Mathematics, 23.02.2021 01:30 kiingbr335yoqzaxs

Suppose that mean retail price per gallon of regular grade gasoline is $3.45 with a standard deviation of $0.10 and that the retail price per gallon has a bell-shaped distribution.

NOTE: Please use empirical rule approximations for this problem.

a. What percentage of regular grade gasoline sells for between $3.35 and $3.55 per gallon (to 1 decimal)?

Lololo

%

b. What percentage of regular grade gasoline sells for between $3.35 and $3.65 per gallon (to 1 decimal)?

%

c. What percentage of regular grade gasoline sells for less than $3.55 per gallon (to 1 decimal)?

%

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:30

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

Answers: 1

Answer

Mathematics, 21.06.2019 21:00

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save

Answers: 1

Answer

Mathematics, 21.06.2019 22:00

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright

Answers: 2

Answer

Mathematics, 22.06.2019 03:00

The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.

Answers: 2

Answer

You know the right answer?

Suppose that mean retail price per gallon of regular grade gasoline is $3.45 with a standard deviati...

Questions