A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 14 years with a variance of 25. If the claim is true, in a sample of 50 wall clocks, what is the probability that the mean clock life would differ from the population mean by less than 1.5 years? Round your answer to
1. A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a
2.The weights of newborn baby boys born at a local hospital are believed to have a
3. Calculate the standard score of the given X value, X=88.3, where μ=87.8 and σ=87.4 and indicate on the curve where z will be located. Round the standard score to two decimal places.
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