# A fair die is rolled 13 times what is the expected sum of the 13 rolls

**the**

**sum**

**is**1 when two

**fair**dice are

**rolled**) = 0 / 36 = 0. b] probability that the

**sum**

**is**4. The outcome that gives the

**sum**

**as**4 = {(

**1**,

**3),**(2, 2), (3, 1)} = 3 outcomes. P (

**the**

**sum**

**is**4 when two

**fair**dice are

**rolled**) = 3 / 36 = 1 / 12. c] probability that the

**sum**

**is**less than the number

**13**. All the outcomes in the sample space give the

**sum**.

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**expected**value of

**rolling**a four sided tetrahedral

**die**Find the

**expected**value of the spinner shown Here Is A

**Fair**5- sided Spinner Find the probability that it lands on an odd number, given that it lands on a white space (3) (Total for question = 5 marks) Q12 (3) (Total for question = 5 marks) Q12.

**Expected**Value Worksheet. Simpsons Genetic Probability Worksheets - Learny. ... available on these websites; www. Make sure to show your Jan 11, 2022 · Answer key probability 1. ANSWER KEY. They are

**rolled**and the

**sum**of the numbers on them is noted..

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**A fair die is rolled**repeatedly until a six is obtained. Let X denote the number of

**rolls**required.The probability that X = 3 equals. Solve Study Textbooks Guides. ... A symmetrical

**die is rolled**7 2 0

**times**. What is the probability that a) you

**roll**all 6's? b) you

**roll**all odd numbers? c) none of your

**rolls**gets a number divisible by 3? d) you

**roll**at least one 5? e) the numbers you

**roll**are not all S's?. ... You

**roll a fair die**three

**times**. What is the probability that a) you

**roll**all 6's? ... = 1 − 6 5 × 6 5 × 6 5 = 216 91 ≈ 0.4213 = 42.

**13**%.

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**A fair die is rolled**four

**times**. What is the probability of obtaining at least three 4's? P (at least three 4's) =D (Round to three decimal places as needed.)

**A fair die is rolled**four

**times**.