Question

7) Suppose that the distribution of monthly earnings of all people who possess a bachelor's degree is known to be bell-shaped and symmetric with a mean of $2116 and a standard deviation of $455. a. Use the Empirical Rule to determine. What percentage of individuals with a bachelor's degree earn less than $1661 per month? b. What percentage of the individuals earn between $3026 and $3481 per month?

Answer 1

my dear student according to the HomeworkLib policy I have solved the first question

Ggh Ggh 6-18h 7116- gufe 6. 51oel - 91200 2LL6. – 1866.0 - [194 z lusa] (>2.) 8-(8>t): - (E>7 > 6 )d Goreng > z> me-stoc) = (1845 > > 9006) (9) grupe 7.190 - 9100 ū L8S10 : (21907 Cusa] (1->Z) 0 = (141991> Z): (7-192> Z) = (1991>x Jo (6) GGheo'9116 = m (h)