Suppose the length of an oarfish is normally distributed with a mean of 6.5 m and a standard deviation of 1.5 m.
Which group describes 16% of the oarfish population?
Select each correct answer.
oarfish that are shorter than 5 m
oarfish that are between 6.5 m and 9.5 m
oarfish that are longer than 8 m
oarfish that are between 3.5 m and 9.5 m
The weights of bags of ready-to-eat salad are normally distributed with a mean of 290 grams and a standard deviation of 10 grams.
What percent of the bags weigh less than 280 grams?
13.5%
16%
34%
36.5%