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Author Question: Explain briefly why interval estimators are preferred to point ... (Read 89 times)

charchew

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on: Aug 1, 2018
Explain briefly why interval estimators are preferred to point estimators.

Question 2

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. Find the probability that all 15 have profited from insider information.


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shaikhs

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

An interval estimator incorporates the effects of sample size, but point estimators don't have the capacity to do this.

Answer to Question 2

0.0134


charchew

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Reply 2 on: Aug 1, 2018
YES! Correct, THANKS for helping me on my review

xthemafja

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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