**Need A,B, & D*** You may need to use the appropriate appendix table to answer this question. According to Money magazine, Maryland had the highest median annual household income of any state in 2018 at $75,847.† Assume that annual household income in Maryland follows a normal distribution with a median of $75,847 and standard deviation of $33,800. (a) What is the probability that a household in Maryland has an annual income of $90,000 or more? (Round your answer to four decimal places.) (b) What is the probability that a household in Maryland has an annual income of $30,000 or less? (Round your answer to four decimal places.) (c) What is the probability that a household in Maryland has an annual income between $60,000 and $70,000? (Round your answer to four decimal places.) (d) What is the annual income (in $) of a household in the eighty-sixth percentile of annual household income in Maryland? (Round your answer to the nearest cent.) $
**Need A,B, & D*** You may need to use the appropriate appendix table to answer this question. According to Money magazine, Maryland had the highest median annual household income of any state in 2018 at $75,847.† Assume that annual household income in Maryland follows a normal distribution with a median of $75,847 and standard deviation of $33,800. (a) What is the probability that a household in Maryland has an annual income of $90,000 or more? (Round your answer to four decimal places.) (b) What is the probability that a household in Maryland has an annual income of $30,000 or less? (Round your answer to four decimal places.) (c) What is the probability that a household in Maryland has an annual income between $60,000 and $70,000? (Round your answer to four decimal places.) (d) What is the annual income (in $) of a household in the eighty-sixth percentile of annual household income in Maryland? (Round your answer to the nearest cent.) $
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
**Need A,B, & D***
You may need to use the appropriate appendix table to answer this question.
According to Money magazine, Maryland had the highest median annual household income of any state in 2018 at $75,847.† Assume that annual household income in Maryland follows a normal distribution with a median of $75,847 and standard deviation of $33,800.
(a)
What is the probability that a household in Maryland has an annual income of $90,000 or more? (Round your answer to four decimal places.)
(b)
What is the probability that a household in Maryland has an annual income of $30,000 or less? (Round your answer to four decimal places.)
(c)
What is the probability that a household in Maryland has an annual income between $60,000 and $70,000? (Round your answer to four decimal places.)
(d)
What is the annual income (in $) of a household in the eighty-sixth percentile of annual household income in Maryland? (Round your answer to the nearest cent.)
$
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