If X is normal with mean 12 and standard deviation 2 , find $P(10<X \leq 15)$.

In how many ways can we select a committee of three from a group of 11 persons?

Determine how many strings can be formed by ordering the letters ABCDE subject to the conditions given. A appears before C and C appears before E.

Barb wants to drive to a city 105 mi from her home in no more than 2 h. What is the lowest average speed she must maintain on the drive?

Determine how many strings can be formed by ordering the letters ABCDE subject to the conditions given. Contains the substring ACE.

Let f be the function from X={0, 1, 2, 3, 4} to X defined by f(x)=4x mod 5 Write f as a set of ordered pairs and draw the arrow diagram of f. Is f one-to-one? If f onto?

What is happening in the image?

Find all solutions for each triangle. If no solutions exist, write none. Round to the nearest tenth. $a=26, b=29, A=58^{\circ}$

Determine how many strings can be formed by ordering the letters ABCDE subject to the conditions given. Contains either the substring DB or the substring BE or both.

Is the relation R on the set {1, 2, 3, 4, 5} defined by the rule (x,y) $\in$ R if x=y-1 reflexive, symmetric, antisymmetric, transitive, and/or a partial order?

Determine how many strings can be formed by ordering the letters ABCDE subject to the conditions given. Contains either the substring AE or the substring EA or both.

Determine how many strings can be formed by ordering the letters ABCDE subject to the conditions given. Contains the letters ACE together in any order.

Determine how many strings can be formed by ordering the letters ABCDE subject to the conditions given. Contains neither of the substrings AB, CD.

Determine how many strings can be formed by ordering the letters ABCDE subject to the conditions given. Contains the substrings DB and AE.