Margo's teacher tells her that she did well on the Statistics test – her z-score was 1.80 on the test. If the mean score on the test was a 75 with a standard deviation of 10, find Margo's score.
Round your answer to two decimal places if necessary.
Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram