What does $8 -$6 +$8 -$3 Equal?
1 answer:
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<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
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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.