Consider the table below that summarizes the grade performance on a recent exam for two sections of the same course. One section is offered on Mondays and the other is offered on Tuesday. The values in the table represent the number of students who made a particular grade within each section and the totals (e.g., 8 students in the Monday section made an A grade, and 18 students total made an A grade).

Last week a gumball machine dispensed 10 white gumballs and 16 other gumballs. Considering this data, how many of the next 78 gumballs dispensed should you expect to be white gumballs?

Critical Values of the Chi-Squared Distribution Q 25 0.995 0.99 1 0.04393 0.03157 0.03628 0.98 0.975 0.03982 0.80 2 0.0100 0.0201 0.0404 0.0506 0.103 3 0.0717 0.115 0.185 0.216 0.352 0.584 0.95 0.75 0.90 0.70 0.50 0.00393 0.0158 0.0642 0.102 0.148 0.455 0.211 0.446 0.575 0.713 1.386 1.005 1.213 1.424 2.366 4 0.207 0.297 0.429 0.484 0.711 1.064 1.649 1.923 2.195 3.357 5 0.412 0.554 0.752 0.831 1.145 1.610 2.343 2.675 3.000 4.351 6 0.676 0.872 1.134 1.237 1.635 2.204 3.070 3.455 3.828 5.348 7 0.989 1.239 1.564 1.690 2.167 2.833 3.822 4.255 4.671 6.346 8 1.344 1.647 2.032 2.180 2.733 3.490 4.594 5.071 5.527 7.344 9 1.735 2.088 2.532 2.700 3.325 4.168 10 2.156 2.558 3.059 3.247 3.940 4.865 5.380 6.179 5.899 6.393 8.343 6.737 7.267 9.342 11 12.899 11 2.603 3.053 3.609 3.816 4.575 12 3.074 3.571 4.178 4.404 5.226 13 3.565 4.107 4.765 5.009 5.892 14 4.075 4.660 5.368 5.629 6.571 5.578 6.989 6.304 7.807 7.041 8.634 7.790 9.467 12 14.011 7.584 8.148 10.341 8.438 9.034 11.340 14 16.222 9.299…

What is the name of the test used?

Elizabeth has taken 3 exams so far for her sociology class. The first test is worth 35% of her grade, and she scored a 95. Her second and third tests are each worth 20% of her grade. She scored an 80 on test 2 and a 74 on test 3. What is her weighted average score in class so far?

One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to a​ B, 2 points to a​ C, 1 point to a​ D, and 0 points to an F. What is the GPA of a student who gets an A in a 33​-credit ​course, a B in each of threethree 22​-credit ​courses, a C in a 33​-credit ​course, and a D in a 22​-credit ​course?

A recent survey reports that 22% of students take the bus to campus. If 660 students commute to campusby bus, how many students participated in the study?

A mathematics professor lost a test paper belonging to one of her students. She remembered that the mean score for the class of 20 was 81 and that the sum of the 19 other scores was 1530. What was the grade on the paper she lost?

At an ice cream shop, 145 customers were surveyed about what flavor is their favorite. The results of the survey are in the table below. Favorite Flavor - Number Chocolate         -  87 Vanilla               -  40 Strawberry       -    16 What percent of students surveyed chose Chocolate as their favorite flavor?

A student has an average of 81 on four equally weighted tests she has taken in her statistics class. What grade must she receive on her fifth test if she needs an average score of 83? Answer is 91? Can you help me to explain to me step by step?