Question
1. Based on historical data, your manager believes that 34% of the company's orders come from...
1. Based on historical data, your manager believes that 34% of the company's orders come from first-time customers. A random sample of 91 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is greater than than 0.41?
2. A population of values has a normal distribution with
μ=163.2μ=163.2 and σ=78.9σ=78.9. You intend to draw a random sample
of size n=19.
What is the mean of the distribution of sample means?
μx¯= (Enter your answer as a number accurate to 4 decimal
places.)
What is the standard deviation of the distribution of sample
means?
(Report answer accurate to 4 decimal places.)
σx¯=
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