What level must mean reduce third quartile

Assignment Help Basic Statistics

Reference no: EM13128879

Suppose that weekly consumption of gasoline for motor vehicle travel for drivers in North America is approximately normally distributed, with a mean of 20 gallons a week and a standard deviation of 6 gallons. Assuming that the standard deviation and the normal shape are unchanged, to what level must the mean reduce so that 20 gallons per week is the third quartile rather than the mean?

Reference no: EM13128879

Questions Cloud

What mass of chlorine is contained in zncl2 : Zinc chloride (ZnCl2) is 52.02% chlorine by mass. What mass of chlorine is contained in 66.0 g of ZnCl2?

Computation of infinite sum using contour integration : Let Cn denote the positively oriented boundary of the square x = +/- (N + 1/2)pie and y = +/- (N +1/2)pie where N is a positive integer

Two-year insurance policy : The partnership paid $3000 in interest that was amount owed for the year and paid $8000 for a two-year insurance policy on the first day of business.

What is their taxable income for 2012 : Sally and Tom are married, have three dependent children, and file a joint return in 2012. If they have adjusted gross income (AGI) of $90,000 and itemized deductions of $10,000, what is their taxable income for 2012?

What level must mean reduce third quartile : Assuming that the standard deviation and the normal shape are unchanged, to what level must the mean reduce so that 20 gallons per week is the third quartile rather than the mean?

Elucidate the technique company is using that may constitute : Elucidate the technique the company is using that may constitute a financial shenanigan. Indicate both the technique used and how the auditor should react.

Calculate the atom economy of this reaction : odium carbonate (Na2CO3) can be produced by heating sodium bicarbonate (NaHCO3). A student heats 5.128 g sodium bicarbonate to completely decompose the sample to sodium carbonate.

Compare and contrast the fair-value method : Compare and contrast the Fair-Value Method (FAS 115) and Equity Method. When should you use each method and why? What are some of the limitations of the Equity Method?

Explain compounds of reactions : Compounds of Reactions, Explain why compound A reacts 9000 times faster than compound B at 0 degrees

User Account

All Pages