Answer:

Step-by-step explanation:



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Happy to help :)
Answer:
z=2
Step-by-step explanation:
I used cross multiplication to solve this.
2/9z=1/9
1(9z)=2(9)
9z=18
z=2
Answer:
10
Step-by-step explanation:
Answer:
Parallel lines
Step-by-step explanation:
Parallel lines lie in the same plane but <em>never</em> intersect.
Solution: The sum of probabilities of all the sample points must equal 1. And the probability of getting a head is equal to the probability of getting a tail. Therefore, the probability of each sample point (heads or tails) must be equal to 1/2. Let's repeat the experiment of Example 1, with a die instead of a coin.