Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is $156,000. Assume the standard deviation is $30,000. Suppose you take a simple random sample of 11 graduates. Round all answers to four decimal places if necessary. a. What is the distribution of X? X ~ N( N b. What is the distribution of ? N c. For a single randomly selected graduate, find the probability that her salary is between $148,332 and $155,155.
Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey, assume the mean annual salary for graduates 10 years after graduation is $156,000. Assume the standard deviation is $30,000. Suppose you take a simple random sample of 11 graduates. Round all answers to four decimal places if necessary. a. What is the distribution of X? X ~ N( N b. What is the distribution of ? N c. For a single randomly selected graduate, find the probability that her salary is between $148,332 and $155,155.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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![Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey,
assume the mean annual salary for graduates 10 years after graduation is $156,000. Assume the standard
deviation is $30,000. Suppose you take a simple random sample of 11 graduates. Round all answers to four
decimal places if necessary.
a. What is the distribution of X? X~ N(
b. What is the distribution of ? ~ N
c. For a single randomly selected graduate, find the probability that her salary is between $148,332 and
$155,155.
d. For a simple random sample of 11 graduates, find the probability that the average salary is between
$148,332 and $155, 155.
e. For part d), is the assumption of normal necessary? No Yes](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa28b18f-3e2d-4592-9d09-7b963ee49630%2F0018ed48-0418-401b-a073-bf9d73c69072%2Fty9iq8g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the survey,
assume the mean annual salary for graduates 10 years after graduation is $156,000. Assume the standard
deviation is $30,000. Suppose you take a simple random sample of 11 graduates. Round all answers to four
decimal places if necessary.
a. What is the distribution of X? X~ N(
b. What is the distribution of ? ~ N
c. For a single randomly selected graduate, find the probability that her salary is between $148,332 and
$155,155.
d. For a simple random sample of 11 graduates, find the probability that the average salary is between
$148,332 and $155, 155.
e. For part d), is the assumption of normal necessary? No Yes
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