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Suppose the mean movie ticket costs μ = $8.92. Assume the standard deviation is σ = $1.42. Suppose Steven surveys a SRS of 64 theaters concerning their ticket prices.
a. Determine μx¯.
b. Determine σx¯ to the nearest thousandth.
c. State the z-score for x¯ = $8.50 to the nearest hundredth.
d. What is the probability that the mean ticket price in Steven's sample is over $8.50?
students in jane smiths math class took the scholastic aptitude test. five of the students were randomly selected.
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Rather, focus on this precise question: what is morally right to do in this situation and why.
Use differential calculus to find both sales volume at which revenue is maximised and the maximum revenue available from sales of product X.
an entomologist writes an article in a scientific journal which claims that fewer than 20 in ten thousand male
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