For a normal distribution where the mean is 50 and the standard deviation is 10, what percentage of the area is
a. between the scores of 40 and 47? _____
b. above a score of 47? _____
c. below a score of 53? _____
d. between the scores of 35 and 65? _____
e. above a score of 72? _____
f. below a score of 31 and above a score of 69? _____
g. between the scores of 55 and 62? _____
h. between the scores of 32 and 47?
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