Q3 : The accuracy of detecting covid-19 using a specific PCR device is 90%. Knowing that the percentage of population who has covid-19 is 2%. a-Find the probability that a person who actually positive detected as positive b- Find the probability that a person who actually positive detected as negative

Q: do you have the rest of the answers

A: Solution: Given information: n= 8 Sample size x= 6.68 psi Sample mean s=0.75 psi  Sample standard…

Q: the true answer is $

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Q: many questions did she get right? 10. Lourdes got 80% on her last math test. There were fifty…

A: Given that Lourdes get 80% in her test. Total number of questions = 50 Number of questions she did…

Q: Is the answer no or yes for this question?

A: There are 550 students in your graduating class. We need to determine wheather there are at least 3…

Q: I need help with the questions below, thank you

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Q: I'm confused on how to get the answer to question 5.

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Q: need B and C of this answered

A: Given

Q: Could you please explain how you arrived at the answer?

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Q: what is the answer for the first question

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Q: last two questions?

A: We will use reduce row Echelon form to find possibilities to convert the given matrix into identity…

Q: You gave me the same answer for two different questions with different values?

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Q: The table shows the movement of a stock for 30 randomly selected trading days. "Up" means the stock…

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Q: can you do part 2 of the question and part 3

A: (ii) The Principal Component Analysis (PCA) is greatly affected by the Spectral Theorem. A…

Q: I'm really confused and stuck on this question.

A: perimeter = ?

Q: How do college professors spend their time? The National Education Association Almanac of Higher…

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.