Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey show that annual expenditures for cellular...

Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey show that annual expenditures for cellular phone services per consumer unit increased from $263 in 2001 to $583 in 2007. Let the standard deviation of annual cellular expenditure be $51 in 2001 and $206 in 2007. a. What is the probability that the average annual expenditure of 100 cellular customers in 2001 exceeded $248? (Round answer to 4 decimal places.) b. What is the probability that the average annual expenditure of 100 cellular customers in 2007 exceeded $578? (Round answer to 4 decimal places.)

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Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey (CE) show that annual expenditures for...

Data from the Bureau of Labor Statistics’ Consumer Expenditure Survey (CE) show that annual expenditures for cellular phone services per consumer unit increased from $237 in 2001 to $634 in 2007. Let the standard deviation of annual cellular expenditure be $52 in 2001 and $207 in 2007. What is the probability that the average annual expenditure of 125 cellular customers in 2001 exceeded $220? (Round “z” value to 2 decimal places, and final answer to 4 decimal places.) Probability ...

Data from the Bureau of Labor Statistics' Consumer Expenditure Survey show customers spend an average of...

Data from the Bureau of Labor Statistics' Consumer Expenditure Survey show customers spend an average of (µ) $608 a year for cellular phone services. The standard deviation of annual cellular spending is (σ) $132. The random variable, yearly cellular spending, is denoted by X. We plan to select a random sample of 100 cellular customers. 11. The sampling distribution of X¯X¯ Select one: a. is not normal because the sample size is too small b. is normal due to the...

According to the document Consumer Expenditures, a publication of the U.S. Bureau of Labor Statistics, the...

According to the document Consumer Expenditures, a publication of the U.S. Bureau of Labor Statistics, the average consumer unit spent $1749 on apparel and services in 2002. That same year, 25 consumer units in the Northeast had the following normally distributed annual expenditures, in dollars, on apparel and services. At the 5% significance level, do the data provide sufficient evidence to conclude that the 2002 mean annual expenditure on apparel and services for consumer units in the Northeast differed from...

1. The U.S. Bureau of Labor Statistics reports that the average annual expenditure on food and...

1. The U.S. Bureau of Labor Statistics reports that the average annual expenditure on food and drink for all families is $5,700 (Money, December 2003). Assume that annual expenditure on food and drink is normally distributed and that the standard deviation is $1,500. (50 points) (A) What is the range of expenditures of the 24.2% of families with the lowest annual spending on food and drink? (B) Assume total number of families is 500,000. How many families spend more than...

#2) Based on data from the Bureau of Labor Statistics, in 2015 the mean annual salary...

#2) Based on data from the Bureau of Labor Statistics, in 2015 the mean annual salary for a registered nurse was $71,000 with a standard deviation of $1,140. Assuming that the salaries are normally distributed, find the probabilities indicated in parts a and b. Show your work to calculate the necessary z-scores, include a sketch showing the corresponding areas under the standard normal curve (similar to those shown on page 239), and use the standard normal distribution curve in the...

The Bureau of Labor Statistics (BLS) adjusts the numbers from the household survey to estimate the...

The Bureau of Labor Statistics (BLS) adjusts the numbers from the household survey to estimate the employment picture for the entire population. Once the adjustment is made, the BLS uses the figures to generate key employment indicators. The following table presents information from the household surveys conducted for November 2017 and, for purposes of comparison, November 2016. The numbers in the table are listed in thousands. For example, the number of unemployed in the table for November 2017 indicates that...

The following data are from the Bureau of Labor Statistics and shows the outcome of women...

The following data are from the Bureau of Labor Statistics and shows the outcome of women at age 46: Less than High school High school grad Some college Bachelor’s degree + Ever Married 0.09 0.30 0.23 0.24 Ever Divorced 0.05 0.15 0.11 0.07 Never Married 0.02 0.05 0.03 0.04 Note that ever married and ever divorced are not mutually exclusive—the ”ever divorced” category is a subset of the ”ever married” category. (a) What percent of women were ever married? (b)...

from the bureau of labor statistics web page, find the annual averages of the employment status...

from the bureau of labor statistics web page, find the annual averages of the employment status of the civilian noninstitutional population form 1940 to date. Construct a table and chart showing the size of the civilian noninstitutional population, the civilian labor force, the number of employed, the number of unemployed, and the unemployment rates for 1969, 1982, 1992, 2000, 2003, 2007, 2011. Discuss how these variables differed in those time periods

The survey by The Bureau of Labor Statistics American Time, showed that the time a person...

The survey by The Bureau of Labor Statistics American Time, showed that the time a person spends in the United States using a computer for entertainment varies greatly according to age. Individuals aged 75 years and older averaged 0.3 hrs (18 minutes) per day. Those aged 15 to 19 spent 1.0 hrs a day. If these times follow an exponential distribution find the proportion of each group that passes: a) Less than 15 minutes a day using the computer to...

The Bureau of Labor Statistics (BLS) reports on the number of jobs created using data from...

The Bureau of Labor Statistics (BLS) reports on the number of jobs created using data from the ____________. United States Census Annual Business Survey (ABS) Current Employment Statistics (CES) survey Current Population Survey (CPS)

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