math subjects

Find the values of x and y that maximize the objective function P = 2 x + 3 y subject to the constraints x ≥ 0, y ≥ 0, x - y ≤ 1 and x + y ≤ 3. => x = 0, y = 3 or x = 0, y = 1 or x = 1, y = 0 or x = 3, y = 0..

What is the minimum value of D = 5 x + 4 y subject to the constraints x ≥ 0, y ≥ 0, x + 2 y ≤ 4 and x + y ≤ 3? => -2 or -3 or 0 or -1..

Construct a pie graph for the points scored by a student in final examination representing the percentage of scores in each subject. Subject Score English 82.5 Math 105 Science 120 French 135 History 97.5 => Graph 3 or Graph 4 or Graph 2 or Graph 1..

Select the correct statement(s). I. A population is a group of subjects selected from a sample. II. A sample is a group of subjects selected from a population. III. A population consists of all subjects that are under study. IV. Statistical studies always use samples. ..

In an experiment, three drugs were tested to see how much pain relief each provides. Pain relief was rated on a ten-point scale. Five subjects were tested in each group and their data are as shown in the table. At α = 0.05, find the F test value. Can it be concluded that the mean sc..

Ashley scores more than 400 marks on an average in all subjects. Choose an inequality to represent this situation. => x < 400 or x ≥ 400 or x ≤ 400 or x > 400..

Jim scored 22 in History, 44 in Physics, and 78 in Economics. Find his total score in all the three subjects. => 144 or 154 or 149 or 139..

Jerald scored 12 in English, 43 in Economics, and 52 in History. What was his total score in all the three subjects? => 107 or 91 or 127 or 117..

The points scored by Gary in various subjects are 79, 59, 61, 59, 70, 62, and 65. Find the mode. => 59 or 79 or 61 or 62..

What sampling method is used to determine the nature of the visit of subjects to a local mall in a city? => cluster or systematic or convenience or stratified..