Wgu academy statistics - Study guides, Class notes & Summaries

WGU Academy Statistics Which of the following is true regarding a probability of an event P(A)? - ANS 0≤P(A)≤1 The probability of an event can any number between 0 and 1, including 0 and 1. In other words, the probability of an event cannot be more than 1 or less than 0. Which of the following represents the probability of an event that is more likely not to occur than it is to occur, but would not be unusual for it to occur? - ANS 0.32 1250 randomly chosen in...

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WGU Academy Statistics Module 8 WITH ANSWERS TO ALL QUES. A couple decides to have children until they have one boy and one girl, but not more than four children. The sample space is therefore: S = {BG, BBG, BBBG, BBBB, GB, GGB, GGGB, GGGG} We are assuming that having a boy or a girl is equally likely[P(B)=P(G)=1/2], and the that the child's gender in each birth is independent of the gender in the other births. Let the random variable X be the number of children that the couple wil...

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WGU Academy Statistics Module 12 With Diagrams for easier understanding: VERIFIED The U.S. government sponsored the National Health and Nutrition Examination Survey (NHANES). For the survey, a random sample of 712 males between 20 and 29 years of age and a random sample of 1,001 males over the age of 75 were chosen. The weight of each of the males was recorded (in kg). Do the data provide evidence that the younger male population weighs more (on average) than the older male population? (Comm...

WGU Academy Statistics Module 11 Clearly Explained and answered Questions A certain prescription allergy medicine is supposed to contain an average of 245 parts per million (ppm) of a certain chemical. If the concentration is higher than 245 ppm, the drug will likely cause unpleasant side effects. If the concentration is below 245 ppm, the drug may be ineffective. The manufacturer wants to check whether the mean concentration in a large shipment is the required 245 ppm or not. To this end, a ra...

WGU Academy Statistics Module 5 ALL QUESTIONS AND ANSWERS VERIFIED Producing data how data are obtained, and what considerations affect the data production process. Exploratory data analysis tools that help us get a first feel for the data, by exposing their features using graphs and numbers. probability likelihood that a particular event will occur Probability is a measure of how likely an event is to occur. Choose the probability that best matches each of the following...

WGU Academy Statistics Module 6 Already Passed Exam Questions and answers A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the probability of a girl. What is the probability that they will have exactly one girl? GGG GBG GGB GBB BBB BBG BGB BGG Selected all options that had only 1 girl and divide by total options. 3/8 = 0.375 A person at a carnival decides to toss rings until he hits the target, but he will not toss more th...

WGU Academy Statistics Module 2 Quiz And The Answers all GRADED A+ Remember that a categorical variable is one that can be categorized, or put into types. A quantitative variable is one that can be measured. Of the following variables, which ones are categorical? Gender, Types of Bears, Locations, Sunburn Types Using the following variables, determine the role-type classification of each set of variables. • Gender and Blood Pressure • Minutes of Music Listened to and Age • Types of B...