In your Statistics class, your final grade is based on four categories. The categories are tests, labs, assignments, and a final exam. Suppose you earned the following grades in each of the categories; 65% on tests, 71% on labs, 69% on assignments, and 41% on the final exam. If tests are worth 13%, labs are worth 6%, assignments are worth 6%, and the final exam is worth 75%, determine your final grade in the course. Record the grade below as a percentage accurate to two decimal places. Final Grade: Check Answer here to seaTch Ft C F5 F2 F3 F4 ※一 F11 F6 F7 F8 F9 F10 %23 2$ & * 3 6 8. Y S G H J K L to IN

Q: Approximately 10% of students have a composite score below what level

A: If X is the composite score of the students, then we need to search for a x, such that P[X≤x]=0.1.

Q: Amy has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via the…

A: The random variable travel time follows normal distribution. There are two independent samples which…

Q: Members of fraternities and sororities are required to volunteer for community service. Do…

A: When one variable not related to the other then we say they are independent observation. If the…

Q: In each of the following situations, identify the population and the sample (i). There are 50 books…

A: To identify:  The population and the sample.

Q: An educational software company wants to compare the effectiveness of its computer animation for…

A: Introduction: In order to compare the effectiveness of two different teaching methods, it is not…

Q: Clair: A majority of adults would erase all of their personal information online if they could. A…

A:

Q: In this exercise, a two-way table is shown for two groups, 1 and 2, and two possible outcomes, A and…

A:

Q: The class field trip to the zoo was a huge success! The kids especially liked the bears, the…

A: According to question, all those who liked bears also liked the monkeys, Half of those who liked…

Q: A college finds that 12% of students have taken a distance learning class, 24% of students are…

A: Given information Percentage of students taking distance learning class = 12% Percentage of…

Q: As part of a statistics project, a teacher brings a bag of marbles containing 500 white marbles and…

A: The data collection method is Survey or Sample.

Q: Using the pigeonhole principle: In a 20-item quiz, at least how many of the 35 students can have…

A: The pigeonhole principle is used in the condition when there are n items that are to be allotted to…

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

A:

Q: The students in a ninth-grade English class were assigned a research paper. The subject of the paper…

A: Given that there are 7 states. We picked New york from them.

Q: We made a survey with the number of people in a household and the number of times they get sick…

A: Solution: Let x be the number of people in a household  y be the number of times they get sick in a…

Q: Which workers exceeded expectations and which workers underperformed? O Exceeded: Jen, Heather,…

A: Based on the given data, it is clear that the observed value of Erica (=56) is less than Expected…

Q: Colin is a student in a consumer mathematics class creating a report on the annual interest rates of…

A: Using excel, the required z-score for each type of bank can be calculated as; 1. Enter the data into…

Q: The houses on a city block were thought to be valued at $172,000, $164,000, $142,000, $159,000,…

A:

Q: The table summarizes the blood group and Rh type for 100 people. a. How many of the subjects were…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: An engineering professor conducted a survey regarding the favorite subjects of the students. The…

A:

Q: An instructor at a large university wanted to test the difference in academic performance onthe…

A: Null Hypothesis: A hypothesis which is tested for plausible rejection is called the Null Hypothesis…

Q: A recent study examined the drinking behaviors of undergraduate college students (male and female…

A: To testH0:μ1-μ2=0H1:μ1-μ2≠0

Q: In 2010, the U.S. Congress passed the historic health care reform bill that will provide some type…

A: Answer: Null hypothesis: Being insured or not doesn't depends on the age groups identified in the…

Q: At a certain college, 32% of the students are majoring in engineering, and 55% of the students are…

A: The percentage of students in engineering (major) is 32%. The percentage of female students is 55%.…

Q: Math (with Calculator) - Question 17 - At Lincoln High School, approximately 7 percent of enrolled…

A: Given data: The percentage of the juniors inducted into the National Honour Society is j=7%. The…

Q: port club, there are 70% males’ members and 30% females’ members. 60% of males play football and 40%…

A: Given: In a sport club, there are 70% males’ members and 30% females’ members. 60% of males play…

Q: Rayann conducted a survey of the cars in four parking lots and wrote the following observations: 15…

A:

Q: Brad and Lena are recording their classmates' eye color for a statistics assignment. In Brad's…

A: Brad's class: green-eyed students = 3 total students = 25 ratio(A) = 325     Lena's class:…

Q: a) Suppose you plan to invest equal amounts of money in each of 3 business ventures. If you have 7…

A: a. Combination: The number of different selections of ‘r’ elements (order doesn’t matter) from a set…

Q: A cafeteria manager surveyed a random sample of students at a school to determine which of 2 meal…

A:

Q: In a married couple, the husband and wife are both 5 feet, 4 inches (64 inches) tall. Which person…

A: Given, In a married couple, the husband and wife are both 5 feet, 4 inches (64 inches) tall.   The…

Q: Which type of test will you run? What is the independent variable? What is the dependent variable?

A: 1. The researcher want to determine that there is a difference in the drinking habits of male and…

Q: You are playing a game where you roll two number cubes and your score is the sum of the two cubes.…

A:

Q: According to a recent census, a city has a 25% Hispanic population. Three samples are drawn from…

A: Given information: Percentage of Hispanic population = 25%

Q: A researcher wants to determine the average amount of minutes it takes for a medicine to reduce…

A: 1. Population under study is the collection of all  the units which are of interest under study, in…

Q: Scott surveyed 40 friends on Facebook and asked them where they were born and where they went to…

A:

Q: How many different letter arrangements can be made from the letters in the word STATISTICS?

A: Given word is STATISTICS Here, Total words are 10 S is repeating 3 times T is s repeating 3 times I…

Q: Cody wants to compare how students in two grades use the school library. For one week, he records…

A:

Q: The students in a ninth-grade English class were assigned a research paper. The subject of the paper…

A: It is provided that there are 7 different states and there are 4 different topics. We need to use…

Q: In last year, five ranndomly selected students took a math aptitude test before they began their…

A: a) Excel Procedure: Enter X and Y in Excel>Data>Data Analysis> ‘Regression’>Select Y…

Q: When we say a study revealed a “difference in differences”, it means the independent variables…

A: Introduction: Main effect: Main effect is a simple effect of an independent variable on the response…

Q: What are the two types of incorrect decisions?

A:

Q: You read a newspaper article that describes a study of whether stress management can help reduce…

A: Introduction: It is of interest to know whether there is any difference among the three treatments-…

Q: The owner of a car dealership planned to develop strategies to increase sales. He hoped to learn the…

A: The owner of a car dealership planned to develop strategies to increase sales. For one month he…

Q: According to the U.S. Department of Labor, as of May 2009 the median annual salary for a physical…

A: Assume X be the random variable representing the annual salary of a physical therapist (in dollars).…

Q: The campus demographics state of 40 percent of students are male if there are 300 students, then how…

A:

Q: he director of library services at a college did a survey of types of books (by subject) in the…

A: (b) The given summarized table is,

Q: How many students took English and History, but not Math     ?

A: A group of 422 students were surveyed about the courses they were taking at their college 245…

Q: A statistics class is made up of 12 men and 18 women. What percentage of the class is​ male?

A: Given,no.of mens=12no.of womens=18total no.of peoples=30

Q: The stem and leaf display below gives sample air fare from St Louis to two cities Salt lake city and…

A: Stem and leaf plot: Stem and leaf plot are used to show the frequency with which certain class of…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.