ComputerScienceExpert

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    Devry
    Jul-1996 - Jul-2000

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    Mar-2010 - Oct-2016

Category > Programming Posted 03 May 2017 My Price 8.00

Roll two 6-sided dice and examine their sum

1. Roll two 6-sided dice and examine their sum.

a) How long will it take to roll ‘snake-eyes’ (a pair of ones)?
b) What is the probability of rolling a sum of 7 on the first roll?
c) What is the probability of rolling a sum of 7 on the fourth roll?
d) What is the probability of rolling a sum of 7 by the fourth roll?
e) What is the probability of it taking more than 10 rolls to roll the sum of 7?

 

2. In a recent season, Ichiro hit .378 for the season. That is, he got a hit 37.8 percent of the time (generally and simply speaking). How many at-bats would it typically take to get his first hit of the season?

 

 

 

3. There is a 6% chance that a vaccine will cause a certain side effect. A number of patients are given the vaccine. We are interested in the number of patients vaccinated until the first side effect is observed.

a) Define the random variable X.
b) Verify that this setting is a geometric setting.
c) Find the probability that the 5th patient is the first to experience a side effect.
Construct a probability distribution table for X up through X=5. Please check with your instructor on how to submit your work 
d) How many patients would you expect to vaccinate before the first side effect is observed?

Answers

ComputerScienceExpert
(11)
Status NEW Posted 03 May 2017 03:05 AM My Price 8.00

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