5. A food inspector, examining 10 jars of a certain brand of peanut butter, obtained a mean of 2.34 percentage of impurities and a standard deviation of 0.70 percentages. Assuming that such measurements are normally distributed, find a 95% confidence interval for the average percentage. Also, interpret the confidence interval in the context of the problem.

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices