Answer:
Step-by-step explanation:
From the given options we find that
SAT scores of high school senios can be expected to be normal
IIoption cannot be correct as this salaries would be higher than average and need not be bell shaped so nor notmal
III Option show sizes of 17 year old mates can be expected to be normal
IV option is also normal since the age at which a child loses his or her teeth would have population of large size with mean and symmetrical distribution
IV option is incorrect as between 1 and 6 is a certain event with p = 1