Astudent randomly guesses on 10 true or false questions. use the binomial model to determine the probability that the student gets 5 out of the 10 questions right. show all your steps.

0.02734375

Step-by-step explanation:

Here, the total observation r trials, n = 10

Selected outcomes, r = 5

The probability of getting a right answer, p =

Since, the probability of not getting a right answer, q = 1 - p = 1- 0.5 = 0.5

Thus, By the binomial model,

The probability that of getting r outcomes in the n observation,

Thus, The probability that the student gets 5 out of the 10 questions right,

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answerthe vertex form

step-by-step explanation:

.24

step-by-step explanation:

the probability is   .24

the first player had the highest probability of getting a silver marble

the game could be made fair by adding back the marble that was drawn after each draw