Suppose that P(B|A) = 0.3, P(B|A') = 0.3, and P(A) = 0.7. Determine P(A/B)
Q: what number is 25% of 512?
A: 25% of 512 is 512×25100 = 512×14 =128
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- find p (more than 3)Richard has been given a 12-question multiple-choice quiz in his history class. Each question has five answers, of which only one is correct. Since Richard has not attended the class recently, he doesn't know any of the answers. What is the value of n ?(n is the number of trials)An online university wants to invest in a new tutoring program. Before they make the commitment, the research team wants to know how many students enrolled in the university would actually use the tutoring program. They decided to conduct a survey to find out. The institution has 4,000 undergraduate students. Marshall surveyed 120 people in the drama club. What do you think of Marshall’s survey? Explain your answer. Morgan added a survey to the university’s website. Any student could click on the survey and fill it out. The survey was closed once the university received 300 responses. What do you think of Morgan’s survey? Explain your answer.
- Suppose you are the master of the mint. If you sample 200 coins and the king has set the error tolerance at 1 ounce for individual coins, and each coin should weight 1 ounce. What is the error in the sum of the 200 coins. Round to two places.In a multiple-choice test, there are three possible answers to each question. There are 10 questions in the exam. One point is given for the correct answer but nothing is deducted for the wrong answer. To pass the exam you must get at least 5 points. Sigmundur is very bad at the study material and therefore decides what the correct answer is in each question. What are the chances that Sigmundur will pass the exam? 1. about 2%. 2. about 7%. 3. about 14%. 4. about 21%.What number is 65% of 98
- Hello. According to the question's correct answer from the multiple choice, it's 2 3/4. However the expert solution shows the answer as 2.67, which doesn't translate to 2 3/4. How do you get 2 3/4 from 2.67? Thank you110% of 4 19. Which expression is equivalent to (8x*)? A. 4x В. 4х3 C. V8x D. (8x 20. Which expression is equivalent to (27x²) ? A. (27x) B. 27x C. 81x* D. 81xA coach gave her team a test on sit-ups completed in one minute. Using the data collected, the coach constructed the following frequency distribution: Scores 90-99 80-89 70-79 60-69 50-59 40-49 30-39 20-29 10-19 0-9 1 4 9 21227 13 10 3 1 101 schem 2.0 and niniw elled beimcheq pritzen 19wol o
- Determine whether or not proportions of voters favoring the democrat candidate were the same in both states. Is first proportion (p1 ) the same as (p2)? What formula from this week notations and symbols would be applicable in the hypothesis test? Not doing hypothesis test but which formula63 students have an iPhone, 28 have android phones, and 22 have no cell phone. What percent of students have an iPhone? Round your answer to the nearest percent.Ms. Hammell and Mrs. Clark drew marbles from a mystery jar of 100 marbles. Ms. Hammell drew 55 pink marbles and Mrs. Clark drew 70 pink marbles. Find p hat, standard error, and margin of error for Ms. Hammell and Mrs. Clark.
