An official from the Australian Securities and Investments Commission estimates that 75% of all investment bankers have profited from the use of insider information. If 15 investment bankers are selected at random from the Commission's registry, find the probability that:
a. at most 10 have profited from insider information.
b. at least six have profited from insider information.
c. all 15 have profited from insider information.

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The Answer of An official from the Australian Securities and Investments Commission estimates that 75% of all investment bankers have profited from the use of insider information. If 15 investment bankers are selected at random from the Commission's registry, find the probability that:
a. at most 10 have profited from insider information.
b. at least six have profited from insider information.
c. all 15 have profited from insider information.

An Official from the Australian Securities and Investments Commission Estimates