Hunter says she is itchy. There is a test for Allergy to Cats, but this test is notalways right: For people that really do have the allergy, the test says "Yes" 80% ofthe time. For people that do not have the allergy, the test says "Yes" 10% of thetime ("false positive"). If 1% of the population has the allergy, and Hunter's testsays "Yes", what are the chances that Hunter really has the allergy? *1.07%7.48%14.8%O 10.7%

Answered: Image /qna-images/answer/9656ed35-7e82-476d-9707-e0431c097191.jpg

Answered: Hunter says she is itchy. There is a…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
What is the p value for the following scenario: Out of 300 male inpatients, there are 195 that have a MCC and out of 450 female inpatients 205 have a MCC.
To investigate how people communicate over the internet, a researcher had subjects write messages in an online forum. She split her sample of 76 participants into young adults and older adults based on their age. She then compared how many emojis and emoticons the young adults used in their messages compared to the older adults. What is the best test to analyze the results of this study? One Sampe Z Test One Sample t Test Independent Samples t Test Dependent Samples t Test
Scenario: 200 people were asked, “Who is your favorite superhero?” Below are the data. Test the null hypothesis that the population frequencies for each category are equal. α= .05. Iron Man Black Panther Wonder Woman Spiderman fo = 40 fo = 60 fo =55 fo = 45 fe = fe = fe = fe = What is the correct result based on the data?
A researcher gathered a sample of participants who volunteered for a studying of phobias. She measured anxiety level of participants as they viewed photos of spiders and again when they viewed puppies. Which statistical test is appropriate for this study and why?
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Read the following problem description then choose the correct null and alternative hypothesis. A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand.
Suppose that 75%75% of college students prefer pepperoni on their pizzas. You took a sample of ?=150n=150 at your college and found that 70%70% said they want pepperoni on their pizzas. You want to know if your college is different from the rest at the 10%10% level. What is the ?P‑value for this test?
A poll reports that 47% of Canadians download movies on their computers.The poll has a margin of error of 4.8%, 19 times out of 20.Choose the statement that best explains what this means. Question 6 options: If you had taken another poll, there is a 95% chance that somewhere between 51.8% and 42.2% of people polled would download movies. If you had taken another poll, there is a 90% chance that somewhere between 51.8% and 42.2% of people polled would download movies. If you had taken another poll, there is a 19% chance that somewhere between 49.4% and 44.6% of people polled would download movies. If you had taken another poll, there is a 95% chance that somewhere between 49.4% and 44.6% of people polled would download movies.
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Consider a medical test with a false positive rate of 1% and a false negative rate of 2%. The frequency of the condition in people who take this test is 3% Q4. If this test was given to 100,000 healthy people, how many false diagnoses would there be? Q5. What is the overall percentage of people who test "positive" who are actually negative for the condition? Q6. What is the overall percentage of people who test "negative" who are actually positive for the condition? # wrong diag. = ??? % pos. = ??? % % pos. = ??? %

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