Please I need help with the three questions:

Please Answer These 3 Questions correctly!

1) Given a normally distributed dataset with a mean of 100 and standard deviation of 15, what percentage of points is above 130?

a) 95%

b) 75%

c) 25%

d) 2.50%

e) None of the above

2) Which measure of spread is calculated using two observations from the dataset?

a) Mean

b) Median

c) Variance

d) Range

e) None of the above

3) Which of the following is true regarding normal distributions?

a) The mean is not equal to the median

b) The standard deviation is zero

c) The data is spread evenly around the mean

d) The mode is left skewed

e) None of the above