The volumes of soda in quart-sized soda bottles are normally distributed with a mean of 32.3...
The volumes of soda in quart-sized soda bottles are normally distributed with a mean of 32.3 ounces anda standard deviation of 1.2 ounces. What is the probability that the volume of soda in a randomly selected bottle will be more than 31 ounces?
Homework Answers
Solution :
Given that,
mean = 
= 32.3
standard deviation = 
= 1.2
P(x >31 ) = 1 - P(x< 31)
= 1 - P[(x -
)
/
< (31-32.3) /1.2 ]
= 1 - P(z <-1.08 )
Using z table
= 1 - 0.1401
=0.8599
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