2. Define a context-free n for the language : If L: the set of integers and prime numbers

How many combinations and permutations using 3 items from a set of 4? Solve the problem with both conditions repeats allowed and repeats not allowed. Show the formulas used for each solution. There will be 4 solutions total: permutations with repeats, without repeats combinations with repeats, without repeats

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The students in an AFDA class have a mean height of 66 inches and a standard deviation of 7 inches.  Find the z-score for a student with a height of 74 inches. Group of answer choices 1.14 1.5 1.41 -1.5

To ensure that there is no mathematical error, the following condition needs to be fulfilled: Question Select one: A. Σ Back-Sights – Σ Foresights = Last Reduced Level – First Reduced Level B. Rises - Falls = Last Reduced Level – First Reduced Level C. Σ Intermediate-Sights – Σ Foresights = First Reduced Level – Last Reduced Level D. All of the above