16.454 is greater than 16.45.
<h3>Given</h3>
.15 of employees are managers
.25 of employees are MBAs
.60 of managers are MBAs
<h3>Find</h3>
(a) proportion of employees who are managers with MBA
(b) proportion of MBAs who are managers
(c) whether MBA and manager are independent
<h3>Solution</h3>
(a) Your answer of 0.60×0.15 = 0.09 is correct
(b) 0.09 of the 0.25 of employees who are MBAs are managers. .09/.25 = 0.36
(c) No. P(MBA | manager) = 0.60 ≠ P(MBA) = 0.25
_____
The only calculation necessary is the one you did for part (a). Other answers can be based directly on the given data. The chart below is unnecessary.
Answer:
176.4
Step-by-step explanation:
1.) 7/5 = surface area/90 = (7/5)^2 = 49/25
2.) sa/90 = 49/25
3.) 4,410/25a
Surface area is 176.4