At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of ?μ = 60 and a standard deviation of ?σ = 16.2. (Round your answers to four decimal places, if needed.) (d) If n = 35 students are selected at random, the distribution of the sample total grade is with a mean of and a standard deviation of . (e) The probability that the total grade for these 35 students is less than 2240.0 is .

At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of ?μ = 60 and a standard deviation of ?σ = 16.2. (Round your answers to four decimal places, if needed.) (d) If n = 35 students are selected at random, the distribution of the sample total grade is with a mean of and a standard deviation of . (e) The probability that the total grade for these 35 students is less than 2240.0 is .

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of ?μ = 60 and a standard deviation of ?σ = 16.2. (Round your answers to four decimal places, if needed.)

(d) If n = 35 students are selected at random, the distribution of the sample total grade is with a mean of and a standard deviation of .

(e) The probability that the total grade for these 35 students is less than 2240.0 is .

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