How many standard deviations from the average is that

Reference no: EM13193195

A student has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to an early morning class. One day it took the student 21 minutes to get to class. How many standard deviations from the average is that?

Reference no: EM13193195

Questions Cloud

Find the ratio of cheryls coins to daryl coins : cheryl and daryl have 85 coins.cheryl and gerald have 70 coins. cheryl does not have 75 coins. find the ratio of cheryl's coins to daryl's coins to gerald's coins.

How far does a person travel who starts form the basket : Two hundred stones are placed on the ground 3 feet apart, the first being 3 feet from a basket. If the basket and all the stones are in a straight line, how far does a person travel who starts form the basket and brings the stones to it one by one..

Dns within a windows server 2008 environment : Write three pages about DNS and how we use DNS within a Windows Server 2008 environment. In your paper , please focus on the two items. First, focus on DNS and how it functions.

Compute the number of residues of an alpha helix : Glycophorin A is a 131 residue integral membrane protein that contains a single transmembrane alpha helix. If the lipid bilayer has a thickness of 30 A, calculate the number of residues of an alpha helix

How many standard deviations from the average is that : A student has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to an early morning class. One day it took the student 21 minutes to get to class. How many stan..

Find the equation of the line for the demand equation : Find the equation of the line for the demand equation. Write your answer in the form p = mx + b. (Hint: Write an equation using two points in the form (x,p)).

What are the optimum dimensions : Make a chart of the possible dimensions for a rectangle with an area of 196 m2. What are the optimum dimensions of the rectangle for minimizing the perimeter?

How many deer are in the preserve : To determine the number of deer in a games preserve, a conservationist catches 555 deer, tags them and lets them loose. Later 534 deer are caught; 178 of them are tagged. How many deer are in the preserve?

Compute the wavelength of a neutron : Calculate the wavelength of a neutron that has a velocity of 250 cm/s.

User Account

All Pages