At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of μ = 62 and a standard deviation of σ = 19.0. (Round your answers to four decimal places, if needed.) (a) The distribution of students' grades is ✓ is approximately normal is exactly normal (b) If n = 32 students are selected at ran approximately normal with a mean is left-skewed may or may not be normal ple mean grade is Indard deviation of is right-skewed (c) The probability that the sample mean grade for these 32 students is less than 65.0 is (d) If n = 32 students are selected at random, the distribution of the sample total grade is approximately normal with a mean of and a standard deviation of (e) The probability that the total grade for these 32 students is less than 2080.0 is At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of μ = 62 and a standard deviation of σ = 19.0. (Round your answers to four decimal places, if needed.) (a) The distribution of students' grades is is approximately normal (b) If n = 32 students are selected at random, the distribution of the sample mean grade is approximately normal and a standard deviation of with a mean of (c) The probability that the sample mean grade for these 32 students is less than 65.0 is (d) If n = 32 students are selected at random, the distribution of the sample total grade is approximately normal with a mean of and a standard deviation of (e) The probability that the total grade for these 32 students is less than 2080.0 is
At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of μ = 62 and a standard deviation of σ = 19.0. (Round your answers to four decimal places, if needed.) (a) The distribution of students' grades is ✓ is approximately normal is exactly normal (b) If n = 32 students are selected at ran approximately normal with a mean is left-skewed may or may not be normal ple mean grade is Indard deviation of is right-skewed (c) The probability that the sample mean grade for these 32 students is less than 65.0 is (d) If n = 32 students are selected at random, the distribution of the sample total grade is approximately normal with a mean of and a standard deviation of (e) The probability that the total grade for these 32 students is less than 2080.0 is At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to the left with a mean of μ = 62 and a standard deviation of σ = 19.0. (Round your answers to four decimal places, if needed.) (a) The distribution of students' grades is is approximately normal (b) If n = 32 students are selected at random, the distribution of the sample mean grade is approximately normal and a standard deviation of with a mean of (c) The probability that the sample mean grade for these 32 students is less than 65.0 is (d) If n = 32 students are selected at random, the distribution of the sample total grade is approximately normal with a mean of and a standard deviation of (e) The probability that the total grade for these 32 students is less than 2080.0 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
Related questions
Question
Transcribed Image Text:At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to
the left with a mean of μ = 62 and a standard deviation of σ = 19.0. (Round your answers to four decimal places,
if needed.)
(a) The distribution of students' grades is ✓ is approximately normal
is exactly normal
(b) If n = 32 students are selected at ran
approximately normal
with a mean
is left-skewed
may or may not be normal ple mean grade is
Indard deviation of
is right-skewed
(c) The probability that the sample mean grade for these 32 students is less than 65.0 is
(d) If n = 32 students are selected at random, the distribution of the sample total grade is
approximately normal with a mean of
and a standard deviation of
(e) The probability that the total grade for these 32 students is less than 2080.0 is
Transcribed Image Text:At a particular university, students' grades in introductory statistic classes are generally unimodal and skewed to
the left with a mean of μ = 62 and a standard deviation of σ = 19.0. (Round your answers to four decimal places,
if needed.)
(a) The distribution of students' grades is is approximately normal
(b) If n = 32 students are selected at random, the distribution of the sample mean grade is
approximately normal
and a standard deviation of
with a mean of
(c) The probability that the sample mean grade for these 32 students is less than 65.0 is
(d) If n = 32 students are selected at random, the distribution of the sample total grade is
approximately normal with a mean of
and a standard deviation of
(e) The probability that the total grade for these 32 students is less than 2080.0 is
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill