Assume that a sample is used to estimate a population mean . Find the 95% confidence interval for a sample of size 293 with a mean of 42.5 and a standard deviation of 7.8. Enter your answer as a tri-linear inequality accurate to one decimal place (because the sample statistics are reported accurate to one decimal place).

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Q: Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard…

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Q: Assume that adults have IQ scores that are normally distributed with a mean of 103.8 and a standard…

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A: We have :- Quantity  Total Time 105 173 125 188 135 222 141 324 149 249 171 318 190…