Binomial Probabilities

Question 1

X = 1 means that we roll exactly 6 in the 3 trials. That means we have success and failures.

Revolt · Accepted Answer

one

Question 2

X = 1 means that we roll exactly 6 in the 3 trials. That means we have success and failures.

Revolt · Accepted Answer

one

Question 3

X = 1 means that we roll exactly 6 in the 3 trials. That means we have success and failures.

Revolt · Accepted Answer

two

Question 4

For how many of the outcomes does X = 3, meaning the outcome has exactly three 6s?

Revolt · Accepted Answer

1

Question 5

P(X = 3) =

Revolt · Accepted Answer

0.064

Question 6

What is P(X < 2), that is, the probability that she wins fewer than 2 times? Use the binomial probability formula and record your answer to 4 decimal places.

Revolt · Accepted Answer

0.7373

Question 7

How many ways can we get k = 2 sixes among n = 3 rolls?Recall:

Revolt · Accepted Answer

3

Question 8

For how many of the outcomes does X = 0, meaning the outcome has no 6s?

Revolt · Accepted Answer

1

Question 9

For how many of the outcomes does X = 1, meaning the outcome has exactly one 6?

Revolt · Accepted Answer

3

Question 10

For how many of the outcomes does X = 2, meaning the outcome has exactly two 6s?

Revolt · Accepted Answer

3

Binomial Probabilities Answers

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