A card is drawn from a well-shuffled deck of 52 cards. Find the probability that the card is a red card or a 5. The probability is (Type an integer or a simplified fraction.)
Q: Al gave correct answers to 47 of the 50 questions on the driving test . What percentage of the…
A: We can give the correct answer in the below st
Q: Four students achieve the following grades on their midterm which was out of 20 marks: 4, 4, 4, 20.…
A: The mode is 4 as its is the highest occurring frequency. So it will reflect the accuracy or more…
Q: According to the Huron Valley Humane Society, 26% of all Ann Arbor residents own at least 2 pets.…
A: According to the Huron Valley Humane Society, 26% of all Ann Arbor residents own at least 2 pets.…
Q: In Lindsay's class, there were three students who scored 80 on a test and six students who scored…
A:
Q: Some jobs involve earning a commission on sales. Which of the following jobs would likely include…
A: The question is asking us to identify which jobs from the given list are likely to include…
Q: Identify the variables as either categorical or quantitative.
A: Quantitative variable is a variable which can be measured numerically and mathematical operation van…
Q: The average annual salary for 55 statisticians out of 205 statisticians at a search information…
A: Given : The average annual salary for 55 statisticians out of 205 statisticians at a search…
Q: A random sample of 1000 households was taken and the dollar amount spent monthly on internet service…
A: Given, A random sample of 1000 households was taken and the dollar amount spent monthly on internet…
Q: (a) Identify the null and alternative hypotheses. (b) Determine if the sample size is large enough…
A: The following information is provided: The sample size is N=631N = 631, the number of favorable…
Q: What is the ???? observation 1= ???? observation 2=
A: The first observation is the correlation coefficient which is calculated using R software and the…
Q: The average college student drinks 12 cups of coffee a week. What type of test was computed to make…
A: Here, the average college student drinks 12 cups of coffee a week.
Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…
A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:
Q: Which of the following is a categorical variable ? -temperature -zip code - number of pets in a…
A: Explanation: Two major types of variable 1- Quantitative variable 2- Categorical variable…
Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…
A: Given: 328 patients completed the survey 211 patients returning
Q: A first-semester freshman received the following grades. What is her Grade Point Average for this…
A: Given,Grade Points are1.70, 3.30, 3.70, 3.00, 3.00
Q: Suppose you have a group of fourth graders and a group of eighth graders, and you want to compare…
A: We have to determine which test use for given situation.
Q: Find the mode of these test scores: Test scores 100,75,80,90,80, 100,92,88,80,84,81
A: Test scores 100,75,80,90,80, 100,92,88,80,84,81
Q: (d) What is the nonresponse rate? (e) Suggest some methods that could be used in a future survey to…
A: The purpose of a survey is to examine the opinions, behaviors, or experiences of individuals or…
Q: Demetra has taken nine quizzes in an environmental conservation course, and the mean of her scores…
A: Given mean score is 77 and two lowest score which are thrown out are 62 and 64. we have to calculate…
Q: A survey of athletes revealed that for their minor aches and pains, 28 used aspirin, 52 used…
A: Let A represent asprin, I represent ibuprofen. The number of athletes who used aspirin are 28, the…
Q: Jeanne is currently taking college economics. The instructor often gives quizzes. On the past five…
A: Given data is 5,20,4,14,10
Q: ring one shift, the express lane cl сl nes customers violated the "10 ite ne. In particular, he…
A: Given Exceeded by 2 13,12,12,8,4
Q: A problem with polling is whether or not people are willing to answer honestly. If a question might…
A: Given that - A problem with polling is whether or not people are willing to answer honestly. If a…
Q: A study was conducted to investigate a relationship between the colors of helmets worn by motorcycle…
A: When the given sample size is less than 30, then we use a small sample test in hypothesis testing.…
Q: esearch, you take a portion of a larger group of participants and do the research with that smaller…
A: Population is a collection of individuals or items, which are the subjects, of the study that are…
Q: Participants are asked whether they currently smoke or not. In addition, laboratory tests are…
A: From the given information, the data are shown in the following table is obtained below:
Q: A survey was conducted by a website on which online music channels subscribers use on a regular…
A: 11 listened to rap, heavy metal, and alternative rock. 18 listened to rap and heavy metal. 20…
Q: A survey was administered to 1000 Broward college students. 30% of the respondents indicated that…
A: Let x denotes number of students who prefer online classes over face to face classes and n denotes…
Q: If Meg got a C in her two-unit PE class, an A in her three-unit Statistics class and a B in her…
A: From the provided information, the followings are interpreted: Subject No. of units Grade PE 2…
Q: A student earned grades of A, C, B, A, and D. Those courses had these corresponding numbers of…
A:
Q: . A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He…
A: Provided information is, Dr. A. Ventura is interested in determining what kinds and how many pets…
Q: by which criteria?
A: Apologies for the inconvenience. Here is the correct solution. If a series ∑n=1∞an has either…
Q: The top 6 companies and the amount each spent on advertising in billions of dollars are as follows:…
A: Identify the correct option to obtain the value of the Inter quartile range. The value of Inter…
:
these are review questions , not test questions
thanks
Step by step
Solved in 2 steps with 1 images
- Recently a community college offered a 2-credit course to help students with math anxiety. At the beginning of the course, each student took a 30-question survey (called MARS-S); the higher the score, the more anxiety experienced by the student. The nine students remaining in the class took the same survey at the end of the course. The before and after scores for each of the nine students who completed the course are shown below, student before after 1 72 69 66 52 3 83 71 97 85 95 61 78 45 95 56 8. 52 43 93 62 Compute the correlation between before and after scores for these students. (Assu conditions have been satisfied and round your answer to the nearest 0.001.) the correlation Question Help: D Video O Message instructor Submit Question 目 Cip Co %23 24 96 & 4. 5 7 8. 9.The PRC wants to assess the difference in ratings of five different engineering board examinations. They selected the top 5 on each group. The data are provided below. Use = 0.01 to determine if there are any differences between the ratings of the five examinations. AE CE ECE EE ME 93 95 90 91 94 90 92 86 91 91 90 90 84 90 88 88 89 84 89 88 85 87 84 88 87 What is the value of SS Between?Which of the following choices is the best price? a. $4.95 for 30 b. $1.95 for a dozen. c. $2.95 for 18
- Here are the top 10 season hitting percentages for members of two baseõall teams, and you must determine which is the best-hitting team, defined as the average. You have to decide which type of average you use and why. Do this by hand or use SPSS.Refer to the table below: Do you smoke? Sex Yes No Female 8 12 Male 3 10 How many people answered the question "Do you smoke?"?Martin collected data from students about whether they played a musical instrument. The table shows his results. Instrument No Instrument TOTAL Вoys 40 68 108 Girls 46 84 TOTAL 86 106 192 Of the students surveyed, how many played an instrument? The number of students surveyed who played an instrument is [
- a. Identify two or three examples from your own academic field where it may be better to use a questionnaire rather than interviewing, and vice versa. b. Identify three situations where it would be better to use open-ended questions and three where closed questions might be more useful. Note: Please type the answer I need to copy paste it. Thank youFifty students appeared in an examination. The result of the passed students are given below: Marks 40 50 60 70 80 90 No. of Studnets 14 7 4It is harder to get into graduate programs in psychology or history? We randomly selected five institutions from among all U.S. institutions with graduate programs. The first number for each is the minimum GPA for applicants to the psychology doctoral program, and the second is for applicants to the history doctoral program. These GPAs were posted on the website of the well-known college guide company Peterson's. Wayne State University: 3.0, 2.75 University of Iowa: 3.0, 3.0 University of Nevada-Reno: 3.0, 2.75 George Washington University: 3.0, 3.0 University of Wyoming: 3.0, 3.0 1. The participants are not people, explain why it is appropriate to use a paired-samples t test for this situation.