The heights of a random sample of 50 college students showed a mean of 174.5 centimeters and a standard deviation of 6.9 centimeters. (a) Construct a 98% confidence interval for the mean height of all college students.

(b) What can we assert with 98% confidence about the possible size of our error if we estimate the mean height of all college students to be 174.5 centimeters?

G(x) = 3x  best describes jane's savings in the long run and  f(x) = 3x+3  mariah's savings in the long runjane's savingsx ( years )            g(x) = 3x1  ,  3                g(1) = 3 *1 = 3  2  , 6          g(2)  =  3 *2 = 6    ->   values missing in the table3  , 9     g(3)  =  3 * 3 = 9  mariah's  savingsx ( years )            f(x) = 3x + 3  1 , 6        f(1) = 3(1) + 3 = 62 , 9        f(2) =  3(2) + 3 = 9  3 , 12       f(3) = 3(3) + 3 = 12