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A coin is tossed with possible outcomes H or T. Then a spinner spun with possible outcomes 1 through
4, how many combined outcomes are there? (Draw a tree diagram on the back of sheet) Write the
sample space. What is the probability of rolling an even number and a tail (event)?

Respuesta :

MathPhys

Step-by-step explanation:

There are two outcomes for the coin toss (head and tail).  For each outcome, there are 4 outcomes for the spinner (1, 2, 3, 4).

The sample space is: H1, H2, H3, H4, T1, T2, T3, T4

There's a total of 8 possibilities.  2 of them are tails and even (T2 and T4).  So the probability is 2/8 = 1/4, or 25%.

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