Question
The average length of an eel from a population of short-finned eels is unknown. A random sample from the population yields a sample mean of x¯=1.9 feet. Assume the sampling distribution of the mean has a standard deviation of σx¯=0.6 feet.
Use the Empirical Rule to construct a 95% confidence interval for the true population mean length.
Provide your answer below:
Ans: ____________
Question
In a survey, a random sample of adults were asked whether a tomato is a fruit or vegetable. The survey resulted in a sample proportion of p′=0.58, with a sampling standard deviation of σp′=0.08, who stated a tomato is a fruit.
Write a 99.7% confidence interval for the true proportion of adults who stated a tomato is a type of fruit.
Provide your answer below:
Ans: ___________
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