CÂU HỎI 15 (SINGLECHOICE)
The weight of an energy bar is approximately normally distributed with a mean of 42.05 grams with a standard deviation of 0.025 gram.
If a sample of 25 energy bars is selected, what is the probability that the sample mean weight is less than 42.035 grams?
0.1151
0.2743
None of the other choices is correct
0.00135
0.053
