Hello, can you please explain these and whether these statements are accurate or not. Thank you.

a) Only a very small (<5) percentage of measurements can be more than 2 standard deviations

from the mean of the normal distribution.

b) Only a very small (<5) percentage of measurements can be more than 2 standard deviations

from the mean of the any distribution.

c) If we would reject a null hypothesis at the 5% level, we would also reject it at the 1% level.

d) If we would reject a null hypothesis at the 1% level, we would also reject it at the 5% level.

e) The p-value, which is the Type I error rate, is chosen by the investigator before a hypothesis

test is conducted.