While analyzing the landing procedures of airplanes, George noted one plane at an altitude of 5,000 feet descending at a rate of
2 answers:
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Answer:
a
b
Step-by-step explanation:
Considering question a
From the question we are told that
The mean is
The standard deviation is
The standard error of mean is mathematically represented as
=>
=>
Generally the probability that the mean volume of a random sample of 144 bottles is less than 12 oz is mathematically represented as
From the z table the area under the normal curve to the left corresponding to -0.3425 is
=>
Considering question a
From the question we are told that
The mean is
Generally the probability that the mean volume of a random sample of 144 bottles is less than 12 oz is mathematically represented as
From the z table the area under the normal curve to the left corresponding to -1.0274 is
=>
The answer is 14 because when it is plugged in it (0,14)
