Vision Correction A survey sponsored by the Vision Council showed that 79% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 20 adults are randomly selected, find the probability that at least 19 of them need correction for their eyesight. Is 19 a significantly high number of adults requiring eyesight correction?

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A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To…

Q: In a class of students, the following data table summarizes how many students passed a test and…

A: Probability of the choosen student had passed the exam = 3/5

Q: In a class of students, the following data table summarizes how many students passed a test and…

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Q: Vision Correction About 75% of the U.S. population uses some type of vision correction (such as…

A: a)Here, the vision correction uses rate is 75%.

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Q: A consumer organization estimates that over a​ 1-year period 19​% of cars will need to be repaired​…

A: It is given that, P(repaired once)=0.19 P(repaired twice)=0.09 and P(three or more repairs)=0.04.

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A: I have provided solution in step2.

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A: Hello! As you have posted 4 sub parts,  we are answering the first 3 sub-parts.  In case you require…

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A: Based on the given information, tree diagram is created as shown below:

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Q: 26. Handedness A psychologist needs 12 left-handed subjects for an experiment, and she interviews 15…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.