Acompany claims that its packages of beads contain, on average, 50 beads with a standard deviation of 5.4 beads. in a hypothesis test of this claim, h0 is µ = 50 and ha is µ ≠ 50, where µ is the average number of beads per package. based on a sample of 20 packages, celia calculates a mean of 52.5 beads per package
what is the z-statistic for the sample? round the answer to the nearest hundredth

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