a-c

The weight of an energy bar is approximately normally distributed with a mean of 42.05 grams with a standard deviation of 0.035 gram. Complete parts (a) through (e) below. . 2. What is the probability that an individual energy bar weighs than 42.025 grams? 239 (Round to three decimal places as needed.) . If a sample of 4 energy bars is selected, what is the probability that the sample mean weight is mess than 42.025 grams? 359 (Round to three decimal places as needed.) .If bsample of 25 energy bars is selected, what is the probability that the sample mean weight is ess than 42.025 grams? 444 (Round to three decimal places as needed.)