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Question: Multiple choice. A multiple choice test has 50 questions, with 4 answer choices each. You must get at least 30 correct to pass the test, and the questions are very difficult.
a) Are you likely to be able to pass by guessing on every question? Explain.
b) Suppose, after studying for a while, you believe you have raised your chances of getting each question right to 70%. How likely are you to pass now?
c) Assuming you are operating at the 70% level and the instructor arranges questions randomly, what's the probability that the third question is the first one you get right?
(a) Provide a written description of the complement event of (S OR P). (b) What is the probability of complement event of (S OR P)?
On a test with a population mean of 75 and standard deviation equal to 16, if the scores are normally distributed, what percentage of scores fall below a score of 83.8?
Students in a statistics class at a large state university were given the survey in which one question asked was age (in years); one student was a retired person, and her age was an "outlier".
A sample of 160 workers in the downtown area classified each worker by race. A bar graph of the results is given below, but the bar for black workers in the graph below has been omitted.
a student wants to assess whether her dog muffin tends to chase her blue ball more often than she chases her red
You are taking a multiple-choice test that has 9 question. Each of the question has 3 choice with one correct choice per question. If you select one of the option per question and leave nothing blank. In how may ways can you answer the question?
The acceptance rate for applicants with similar qualifications is 30% for University X and 55% for University Y. What is the probability that Jim will be accepted by at least one of the two universities?
question tastes in musicmusical styles other than rock and pop are becoming more popular. a survey of college
All kinds of organizations are interested in the response to their products, services or indeed policies. They will typically select a survey method that provides results of sufficient quality at an acceptable cost.
Write a short paper on the creation and effects of the Cotton Gin. Everything that is referenced or compared must be before 1875.
a. Give a point estimate of the mean time required to handle a customer complaint. b. What is the standard deviation of the point estimate given in (a)?
Assume 85% of passengers show up, 15% will not. Airline booked 11 people for 10 seats.
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