Question

Determine the probability of guessing 11 questions correct on an exam that contains 15 multiple choice questions, where the chance of guessing a question correct is .5. Determine the probability of 3 out of 5 people getting accepted into a graduate program, where the probability of a single individual being accepted is .15.

Name: determine the probability of guessing 11 questions correct on an exam that contains 15 multiple choice questions where the chance of guessing a question correct is 5 determine the probabilit 82091
Uploaded: 2023-02-28T01:54:47-08:00
Duration: 2 min 58 s
Channel: T. L.
Description: determine the probability of guessing 11 questions correct on an exam that contains 15 multiple choice questions where the chance of guessing a question correct is 5 determine the probabilit 82091

          Determine the probability of guessing 11 questions correct on an
exam that contains 15 multiple choice questions, where the chance
of guessing a question correct is .5.
Determine the probability of 3 out of 5 people getting accepted
into a graduate program, where the probability of a single
individual being accepted is .15.

Added by Gregorio B.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert T. L.

02/28/2023

Step 1

5), and C(n, k) is the number of combinations of n items taken k at a time. In this case, n = 15, k = 11, and p = 0.5. So, we have: P(X=11) = C(15, 11) * 0.5^11 * (1-0.5)^(15-11) Calculating the combinations, C(15, 11) = 15! / (11! * (15-11)!), which is equal to Show more…

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Determine the probability of guessing 11 questions correct on an exam that contains 15 multiple choice questions, where the chance of guessing a question correct is .5. Determine the probability of 3 out of 5 people getting accepted into a graduate program, where the probability of a single individual being accepted is .15.