3- A set of final examination grades in a biostatistics course is normally distributed with a mean of 73 and a standard deviation of 8. a. What is the probability of getting a grade of 91 or less? b. What is the probability that a student scored between 65 and 89? c. The probability is 5% that a student taking the test scores higher than what grade?

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A: Note: Please repost part d as i can answer only 3 subparts as per my policy. Given data,μ=1252σ=129

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A:

Q: The Economic Policy Institute periodically issues reports on wages of entry level workers. The…

A: From the given data: Standard deviation for male = $2.30 Standard deviation for female = $2.05

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A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY PLZ REPOST FOR REMAINING

Q: The American Automobile Association (AAA) reported that families planning to travel over the labor…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

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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.