The heights of American women between the ages of 18 and 24 are approximately normally distributed. The mean is 64.1 inches and the standard deviation is 2.5 inches. What percentage of such women is below 69 inches?
Select one:
a. 2%
b. 84%
O c. 98%
O d. 5%
e. None of these

98%

Step-by-step explanation:

hope this helps you

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for