in how many different ways can four students jim paul justin and bill be seated in four chairs for a group discussion?

In how many different ways, can four students, Jim, Paul, Justin, and Bill, be seated in four chairs for a group discussion? => 22 or 24 or 16 or 20..

In a shelf there are 10 different math books, 8 different physics books, and 4 different psychology books. A student must select one book of each type. How many different ways can this be done? => 32 or 320 or 22 or 80 ..

An instructor randomly divides the classes such that half the class writes the final with a blue-book and half with a computer. In addition the students are partitioned into three groups, no typing ability, some typing ability, and highly skilled at typing. The students..

A group of students were given an assignment to collect different types of leaves. The group collected 243 types of leaves. Represent the number of leaves collected in the form of exponential expression with its base being indivisible. => 3 4 or 3 3..

A medical researcher wishes to test the effects of two diets and the time of day on the sodium level in a person's blood. Twenty people are randomly selected, and five are randomly assigned to each of the four groups. Find F A × B and analyze the data shown in the tables h..

The students of the Medical School who went on a botanical trip were asked to collect different kinds of shrubs. While returning from the trip, they counted the number of shrubs collected by each student. Select the stem and leaf plot that displays their data correctly..

There are three groups of plants that were exposed to 8 hours, 12 hours and 16 hours of sunlight per day during a given growing period and two kinds of fertilizers (P and Q) were used. The heights of the plants(in feet) after six month are tabulated as follows. At α = 0.05, find the..

The changes we have discussed so far concern themselves with variations within a species, but how do new species evolve? For instance how did man develop from apes? Speciation is the evolutionary process by which new biological species arise. A new species will be a h..

Amino acids are classified into different ways based on polarity, structure, nutritional requirement, metabolic fate, etc. Generally used classification is based on polarity. Based on polarity amino acids are classified into four groups..

Due to its tetravalent nature carbon always form covalent bonds by sharing electrons with one, two, three or four carbon atoms or atoms of other elements or groups of atoms as discussed earlier. The tetra covalency of carbon atom allows it to combine easily with ot..