Historically, the SAT score is normally distributed with a mean of 1483 points and a standard deviation of 348.7 points. Let X be the SAT score of a randomly selected student. 1. Describe the probability distribution of X and state its parameters and σ: X-Select an answer(μ σΞ 2. Find the probability that the SAT score of a randomly selected student is a. less than 1774 points. (Round the answer to 4 decimal places) b. between 2018 and 2039 points. c. more than 2112 points. (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) 3. Find the 70-th percentile for the SAT score. points (Round the answer to 1 decimal place)

Historically, the SAT score is normally distributed with a mean of 1483 points and a standard deviation of 348.7 points. Let X be the SAT score of a randomly selected student. 1. Describe the probability distribution of X and state its parameters and σ: X-Select an answer(μ σΞ 2. Find the probability that the SAT score of a randomly selected student is a. less than 1774 points. (Round the answer to 4 decimal places) b. between 2018 and 2039 points. c. more than 2112 points. (Round the answer to 4 decimal places) (Round the answer to 4 decimal places) 3. Find the 70-th percentile for the SAT score. points (Round the answer to 1 decimal place)

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.3: Special Probability Density Functions

Problem 53E

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