Find the least common multiple of 4,10,12
2 answers:
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Answer:
The probability is
Step-by-step explanation:
From the question we are told that
The mean mileage of a tire is
The standard deviation is
The sample size is n = 209
Generally the standard error of mean is mathematically represented as
=>
=>
Generally the probability that the sample mean would differ from the population mean by less than 199 miles is mathematically represented as
=>
=>
=>
=>
From the z table the area under the normal curve to the left corresponding to 1.11 and -1.11 is
and
So
=>
Answer:
a) 0.125
b) 0.015635
c) 0.00000095367431640625
Step-by-step explanation:
a)
b)
c)