According to the CDC, as of MAY 2021, it is suspected that 2% of the US populationcurrently have active coronavirus. According to Johns Hopkins, a particular type of COVIDtest (RT-PCR), has a false negative rate of 20%. That is, if a person has COVID, and takesthis test, there is a 20% chance of testing negative. The false positive rate is about 5%.That means that about 5% of people who don't have COVID will nonetheless test positive.Consider the following two-way table for 10,000 randomly selected people who were testedfor COVID using (RT-PCR).Positive test Negative test TotalHas COVIDA40200No COVID490B9800Total100001. fill in the missing values in the table.A• B• C• D2. What is the probability of choosing someone who tested positive?3. What is the probability of choosing someone who has COVID?4. What is the probability of choosing someone who does not have COVID and testedpositive?5. What is the probability of choosing someone with COVID given that they tested posi-tive?

Answered: Image /qna-images/answer/e40d04d3-7bfc-4196-b042-13544afdf8c3.jpg

Answered: According to the CDC, as of MAY 2021,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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When engaging in weight-control (fitness/fat burning) types of exercise, a person is expected to attain approximately 60% of his or her maximum heart rate. For 20-year-olds, this rate is approximately 120 bpm. A simple random sample of thirty 20-year-olds was taken, and the sample mean was found to be 107 bpm, with a standard deviation of 45 bpm. Researchers wonder if this is evidence to conclude that the expected level is actually lower than 120 bpm. Compute the p-value: O 0.023 O 0.062 O 0.002 O 0.02
If a researcher conducts 37 tests, each with an alpha = .05, what is the probability that the researcher will get at least 1 statistically significant result, even if there's truly no effect? Report your answer as a proportion (not percentage), rounded to 2 decimal places. Hint: review the "P-Hacking" Crash Course video, specifically the part about family-wise error
A study is conducted to estimate the association between exposure to lead paint in childhood and attention-deficit hyperactivity disorder (ADHD). Data on n = 400 children are collected, and data on exposure and ADHD diagnosis are shown in Table 9–26. Estimate the crude or unadjusted relative risk. Estimate the crude or unadjusted odds ratio.
A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 418 gram setting. Is there sufficient evidence at the 0.05 level that the bags are overfilled? Assume the population is normally distributed. State the null and alternative hypotheses for the above scenario.
The U.S. Energy Information Administration claimed that U.S. residential customers used an average of 10,608 kilowatt hours (kWh) of electricity this year. A local power company believes that residents in their area use more electricity on average than EIA's reported average. To test their claim, the company chooses a random sample of 187 of their customers and calculates that these customers used an average of 10,737kWh of electricity last year. Assuming that the population standard deviation is 1220kWh, is there sufficient evidence to support the power company's claim at the 0.05 level of significance? Step 2 of 3 : Compute the value of the test statistic. Round your answer to two decimal places.
Annie is concerned over a report that "a woman over age 4040 has a better chance of being killed by a terrorist than of getting married." A study found that the likelihood of marriage for a never-previously-wed, 4040-year-old university-educated American woman was 2.8%2.8%. To demonstrate that this percentage is too small, Annie uses her resources at the Baltimore Sun to conduct a simple random sample of 513513 never-previously-wed, university-educated, American women who were single at the beginning of their 4040s and who are now 4545. Of these women, 2323 report now being married. Does this evidence support Annie’s claim, at the 0.050.05 level of significance, that the chances of getting married for this group is greater than 2.8%2.8%? Step 3 of 3 : Draw a conclusion and interpret the decision.
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 408 gram setting. Is there sufficient evidence at the 0.02 level that the bags are overfilled? Assume the population is normally distributed. State the null and alternative hypotheses for the above scenario.
If a researcher conducts 39 tests, each with an alpha = .05, what is the probability that the researcher will get at least 1 statistically significant result, even if there's truly no effect? Report your answer as a proportion (not percentage), rounded to 2 decimal places.
The Kyoto Protocol was signed in 1997, and required countries to start reducing their carbon emissions. The protocol became enforceable in February 2005. In 2004, the mean CO2 emission was 4.87 metric tons per capita. In 2010, the CO2 emissions for a random sample of 31 countries were collected. Is there enough evidence to show that the mean CO2 emission is lower in 2010 than in 2004? State the random variable, population parameter, and hypotheses. The symbol for the random variable involved in this problem is The wording for the random variable in context is as follows: The symbol for the parameter involved in this problem is The wording for the parameter in context is as follows: Fill in the correct null and alternative hypotheses:�0: ��: A Type I error in the context of this problem would be A Type II error in the context of this problem would be
The Cairo Center for Rural Studies estimates that about 6% of Egypt’s citizens do not have adequate access to drinking water. Suppose, as part your research there, you determine that the amount of rainfall annually in Egypt is a continuous random variable distributed normally with an average amount of rainfall of 6 inches with a standard deviation of 1.10 inches. Can you help government officials there determine what level of annual rainfall has 2.3% below it?
Please answer the following question and show work! Answer all parts. Thank you
To define: Random shotgun sequencing, bioinformatics, and proteomics.

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