Question
The Diadora annual report states that Diadora is one of the largest sellers of athletic footwear...
The Diadora annual report states that Diadora is one of the
largest sellers of athletic footwear in the world. Diadora's
footwear products are primarily designed for athletic use, but also
for casual and leisure wear. Historical data indicates that the
average customer buys 3.7 pairs of sports shoes per year, with a
population standard deviation of 4. If samples of 42 customers are
taken, answer the following questions.
Your answers should be accurate to 2 decimal places.
a) What is the standard error of the mean for the
sample means?
Standard Error of the Mean =
b) What is the probability that the a given sample
mean is between 2 and 5 pairs of shoes?
Probability =
c) What is the probability that the difference
between a given sample mean and the population mean is less than
0.1?
Probability =
d) What is the probability a given sample mean is
greater than 5 pairs?
Probability = 0
Homework Answers
Answer #1
(b)
(c)
(d)
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