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Author Question: An official from the securities commission estimates that 75 of all online bankers have profited ... (Read 60 times)

lidoalex

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on: Aug 1, 2018
An official from the securities commission estimates that 75 of all online bankers have profited from the use of insider information. Assume that 15 online bankers are selected at random from the commission's registry. What is the expected number of Online bankers who have profited from the use of insider information?

Question 2

Fifteen percent of the students in a School of Business Administration are majoring in Economics, 20 in Finance, 35 in Management, and 30 in Accounting. The graphical device(s) that can be used to present these data is(are) _____.
 a. a line graph
  b. only a bar chart
  c. only a pie chart
  d. both a bar chart and a pie chart


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nickk12214

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Reply #1 on: Aug 1, 2018
Answer to Question 1

E(X) = 11.25

Answer to Question 2

d


lidoalex

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Reply 2 on: Aug 1, 2018
Thanks for the timely response, appreciate it

kswal303

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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