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Answer:
Carmen's prediction is low because 200 times is 50.
Step-by-step explanation:
First of all we are going to define the sample space for this exercise.
The sample space is Ω = {1,2,3,4,5,6,7,8}
Given the event A : ''Roll an 8-sided die an get a multiple of 4''
The probability for the event A is
Because they are two numbers (4 and 8) over a total of eight numbers (1,2,3,4,5,6,7,8) that are multiple of 4.
Now, given the random variable X : ''Total of numbers multiples of 4 If she rolls
an 8-sided die 200 times''
X can be modeled as a Binomial random variable.
X ~ Bi (n,p)
X ~ Bi (200,)
In which n is the total times she rolls the 8-sided die and p is the success probability.We define a success as obtain a number multiple of 4.
The mean for this variable is
We answer that Carmen's prediction is low because 200 times is 50.
Integrate twice.
Remember the anti-derivative rule for polynomials:
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Remember the anti-derivative rule for polynomials:
Answer: