Assume: We have to assume the sample comes from a normally distributed population because we do not know the population standard deviation.
We assume that it was a random sample.
Do not assume: The sample size is at least 30 because we are that it's 10. Don't assume the variance is less than the mean because we can calculate it and will know for sure.
To find a 90% confidence interval we need to find the sample mean and sample standard deviation. See attached photo 1 for the calculations
See attached photo 2 for the construction of the confidence interval
Convert square<span> units ... Pi is approximately , or </span>3.14<span> rounded to two decimal places. ... Note: In </span>finding<span>the circumference of a circle, you can </span>use<span> whichever approximation for pi .... Converting Between </span>Feet<span>and Yards in </span>Finding Area<span> .... </span>38<span>. Cost. An A-frame cabin has a triangular front with a base of 30 ft and a height of. 20 ft. Hope this helped please mark me as brianliest thx</span>