I hope you can read this, and I hope you understand how I did 7. I probably overworked it, and it was possibly a simpler way to get it.
A pastry recipe calls for 3 cups of flour to make 8 servings. How many cups of flour are needed to make 6 servings?
2 answers:
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Answer:
Step-by-step explanation:
Given
Required
Probability of selecting 2 toys of different types
From the question, we understand that all toys are different i.e. 1 of each type.
And the selection is without replacement;
So, after the first toy is selected; there are n - 1 toys left.
So, the probability is:
Substitute