The average annual salary of public school teachers who graduated from a certain college is to be studied. A random sample of 100 teachers has a mean salary of Php 31,578, with a standard deviation of Php 4,415. Construct a 90 percent confidence interval for the average salary of the population of public school teachers who graduated from this specific college 90% confidence interval:______ pesos to ______ pesos (round your answer to the nearest peso, no need to separate thousands with a comma)

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A:

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Q: The reading speed of second grade students in a large city is approximately normal, with a mean of…

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