Mathematics, 15.04.2020 15:53 skyyk8107
The compressive strength of concrete is normally distributed with mu = 2500 psi and sigma = 50 psi. A random sample of n = 8 specimens is collected. What is the standard error of the sample mean? Round your final answer to three decimal places (e. g. 12.345). The standard error of the sample mean is [ ]psi.
Answers: 3
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Ashop has a sale that offers 20% off all prices. on the final day they reduce all the sale prices by 25% linz buys a ratio on the day. work out the overall percentage reduction on the price of the ratio
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The compressive strength of concrete is normally distributed with mu = 2500 psi and sigma = 50 psi....
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