radomes.openskiesproject.org
jej1aidun1nisl jej1aidun1nisl
  • 07-01-2017
  • Mathematics
Answered

The weights of grapefruits of a certain variety are approximately normally distributed with a mean of 1 pound and a standard deviation of 0.12 pounds.use scenario 6-9. what is the probability that the total weight of three randomly selected grapefruits is more than 3.4 pounds?

Verified Answer :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 20-01-2017

We are given with the condition that
x > 3.4 lb
The mean is 1 lb
The standard deviation is 0.12 lb

The z-score is
z = (3.4 - 1) / 0.12
z = 20
This corresponds to a probability of 0.842 or 84.20%.

Answer Link

Related Questions

if you run 23 mile how many sixths have I ran
In quadrilateral ABCD assume that angle A 90 degrees angle C Draw diagonals AC and BD and show that angle DAC angle DBC
From what classes of elements is the following compound made nitrogen dioxide metal and metalloid two metals metal and nonmetal two nonmetals
is china north or south of the equator answer it fast north or south
Susie is thinking about changing her auto insurance policy at FretNoMore Auto Insurance Her current policy includes the following options 50100000 limit for bod
Write a compound inequality that the graph could represent
have the greatest concentration of 28 speakers a Urban centers c Coastal areas b Rural areas
what is a word phrase for 7C 3
OzoneO3 number of atoms
How are convection currents produced in the air