Please answer the notes question: Exercise 4.4. Liz is standing on the real number line at...

Please answer the notes question: Exercise 4.4. Liz is standing on the real number line at position 0. She rolls a dic repeatedly. If the roll is 1 or 2, she takes one step to the right (in the positive direction). If the roll is 3, 4, 5 or 6, she takes two steps to the right. Let X,n position after n flips of the coin. Estimate the probability that X9o is at least 160. be Liz's.

Notes: Is this binomial???? if it is binomial distribution, then what is the P??? Bin~(n,p) If you don't answer this question and just finish the question above, you will get thumbdown

Second: is E(X^2)= 3* 90=270???

Expert Solution

orchestra answered 2 years ago

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