Question
I’m horrible with probabilities so please help me and also show work so I could understand them

Part A Suppose you toss a coin and it lands flat on the table. There are two possible final states for the coin, it can land with heads up or tails up. Now consider tossing three coins, one after the other. How many different arrangements are possible? Hint: Four of the possible arrangements are shown below. H HT HTH THH
Part B We will call each of the arrangments above a microstate. Arrange the microstates into groups according to the number of heads. We will call these groupings a macrostate For example: HHH (3 heads) HHT (2 heads) How many macrostates are possible for three coin tosses?
Part How many microstates correspond to the macrostate of two heads? A2o
Part D Suppose you were to toss three coins in a row. What is the probability that two coins land heads up? Enter your answer in decimal form. (eg, for 50% enter 0.5) A2cp
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