In a distribution of scores with a mean of 35 and a standard deviation of 4, which event is more likely: that a randomly selected score will be between 29 and 31 or that a randomly selected score will...

In a distribution of scores with a mean of 35 and a standard deviation of 4, which event is more likely: that a randomly selected score will be between 29 and 31 or that a randomly selected score will be between 40 and 42?

To be accepted into a university’s co-op education program, students must have GPAs in the top 10% of the school. If the mean GPA is 2.78 and the standard deviation is 0.33, which of the following GPAs would qualify?

3.20, 3.21, 3.25, 3.30, 3.35