A. A 2017 poll found that 56% of college students were very confident that their major will lead to a good job. If 15 college students are chosen at random, what's the probability that 13 of them were very confident their major would lead to a good job? Let a success be a college student being very confident their major would lead to a good job.

0.01083 or 1.083%

Step-by-step explanation:

This problem can be modeled as a binomial probability model with probability of success p = 0.56.

The probability of x=13 successes (a college student being very confident their major would lead to a good job) in a number of trials of n=15 is:

The probability is 0.01083 or 1.083%.

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step-by-step explanation: