Question

According to Money magazine, Maryland had the highest median annual household income of any state in...

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 ninety-first percentile of annual household income in Maryland? (Round your answer to the nearest cent.)

$

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
According to Money magazine, Maryland had the highest median annual household income of any state in...
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...
According to Money magazine, Maryland had the highest median annual household income of any state in...
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 $110,000 or more? (Round your answer to four decimal places.) (b) What is the probability that a household in Maryland has an annual income of...
According to Money magazine, Maryland had the highest median annual household income of any state in...
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 $110,000 or more? (Round your answer to four decimal places.) (b) What is the probability that a household in Maryland has an annual income of...
Household Income in Maryland: According to Money magazine, Maryland had the highest median annual household income...
Household Income in Maryland: According to Money magazine, Maryland had the highest median annual household income of an state in 2018 at $75,847 (Time.com website). Assume that annual household income in Maryland follows a normal distribution with a median of $75,847 and a standard deviation of $33,800. a. What is the probability that a household in Maryland has an annual income of $100,000 or more? b. What is the probability that a household in Maryland has an annual income of...
Annual income: The mean annual income for people in a certain city (in thousands of dollars)...
Annual income: The mean annual income for people in a certain city (in thousands of dollars) is 43, with a standard deviation of 23. A pollster draws a sample of 91 people to interview. (a) What is the probability that the sample mean income is less than 40? Round the answer to at least four decimal places. The probability that the sample mean income is less than 40 is . Part 2 of 5 (b) What is the probability that...
Suppose that the US population average household annual income is $60,000. City officials in Sacramento want...
Suppose that the US population average household annual income is $60,000. City officials in Sacramento want to determine if the average household annual income in Sacramento is different than the national average. Assume they dont know how to conduct hypothesis testing using p-values but have collected data useful for constructing a 95% confidence interval. They provide the following for Sacramento sample mean of $70,000 and margin of error of $11,000. Part A: Construct the 95% confidence interval Part B: Is...
TV sets: According to the Nielsen Company, the mean number of TV sets in a U.S....
TV sets: According to the Nielsen Company, the mean number of TV sets in a U.S. household in 2013 was 2.24. Assume the standard deviation is 1.3. A sample of 90 households is drawn. A) What is the probability that the sample mean number of TV sets is greater than 2? Round your answer to four decimal places. B) What is the probability that the sample mean number of TV sets is between 2.5and 3? Round your answer to four...
TV sets: According to the Nielsen Company, the mean number of TV sets in a U.S....
TV sets: According to the Nielsen Company, the mean number of TV sets in a U.S. household in 2013 was 2.24. Assume the standard deviation is1.1 . A sample of 80 households is drawn. Use the Cumulative Normal Distribution Table if needed. A. What is the probability that the sample mean number of TV sets is greater than 2? Round your answer to four decimal places. B. What is the probability that the sample mean number of TV sets is...
The Magazine Mass Marketing Company has received 15 entries in its latest sweepstakes. They know that...
The Magazine Mass Marketing Company has received 15 entries in its latest sweepstakes. They know that the probability of receiving a magazine subscription order with an entry form is 0.4. What is the probability that more than a fifth of the entry forms will include an order? Round your answer to four decimal places.
The Magazine Mass Marketing Company has received 18 entries in its latest sweepstakes. They know that...
The Magazine Mass Marketing Company has received 18 entries in its latest sweepstakes. They know that the probability of receiving a magazine subscription order with an entry form is 0.5. What is the probability that no more than 5 of the entry forms will include an order? Round your answer to four decimal places.