The census bureau tells us the distribution of motor vehicles per household in in America is given by:
a) What is the expected value
of the distribution?
b) Interpret the expected value.
Homework Answers
a)
EV = 0 * 0.01 + 1 * 0.34 + 2 * 0.37 + 3 * 0.14 + 4 * 0.05 + 5 * 0.09
So,
EV = 2.15
b)
The expected value tells us that mean number of cars per household is 2.15
Add Answer to:
The census bureau tells us the distribution of motor vehicles
per household in in America is...
The mean household income in the United States in 2014, according to the US Census Bureau,...
The mean household income in the United States in 2014, according to the US Census Bureau, was $72,641, or $20,702 (39.86%) higher than the median household income ($51,939). What can you conclude, based on the difference between the mean and median household income, about the distribution of household income?
The U.S. Census Bureau collects demographics concerning the number of people in families per household. Assume...
The U.S. Census Bureau collects demographics concerning the number of people in families per household. Assume the distribution of the number of people per household is shown in the following table: ________________ x P(x) _______________ 2 0.27 3 0.25 4 0.28 5 0.13 6 0.04 7 0.03 a) Calculate the expected number o f people in families per household in the United States. b) Compute the variance and standard deviation of the number of people in families per household.
The Department of Motor Vehicles (DMV) can service customers at a rate of 20 per hour...
The Department of Motor Vehicles (DMV) can service customers at a rate of 20 per hour when it comes to license renewals. The service time follows an exponential distribution. What is the expected value and standard deviation? A.) 3, 0.33 B.) 1/3, 0.33 C.) 20, 0.11 D.) 1/3, 0.11
An agency collects demographics concerning the number of people in families per household in a certain...
An agency collects demographics concerning the number of people in families per household in a certain country. Assume the distribution of the number of people per household is as shown in the table below. x. P(x) _________ 2. 0.25 3. 0.23 4. 0.30 5. 0.14 6. 0.05 7. 0.03 a. calculate the expected number of people in families per household in the country. b. Compute the standard deviation of the number of people in families per household.
According to the 2010 US Census, the average number of residents per housing unit for the...
According to the 2010 US Census, the average number of residents per housing unit for the n=87 counties in Minnesota was 2.10, and the standard deviation was 0.38. Test whether the true mean number of residents per housing unit in Minnesota in 2010 is less than the national value of 2.34 at the level α = 0.05. a. Show all five steps of this test. b. What type of error could we be making in this context? c. What is...
According to the 2010 US Census, the average number of residents per housing unit for the n=87 counties in Minnesota was...
According to the 2010 US Census, the average number of residents per housing unit for the n=87 counties in Minnesota was 2.10, and the standard deviation was 0.38. Test whether the true mean number of residents per housing unit in Minnesota in 2010 is less than the national value of 2.34 at the level α = 0.05. a. Show all five steps of this test. b. What type of error could we be making in this context? c. What is...
5. According to the 2010 US Census, the average number of residents per housing unit for the n=87 counties in Minnesota...
5. According to the 2010 US Census, the average number of residents per housing unit for the n=87 counties in Minnesota was 2.10, and the standard deviation was 0.38. Test whether the true mean number of residents per housing unit in Minnesota in 2010 is less than the national value of 2.34 at the level α = 0.05. a. Show all five steps of this test. b. What type of error could we be making in this context? c. What...
Design a project in C to collect household information for a census bureau which should obtain and analyze household inf...
Design a project in C to collect household information for a census bureau which should obtain and analyze household information within the Greater Toronto Area. Data Collected: • Date of collection of data using MM/DD/YYYY format • Regions: o Peel o York o Durham • Towns – required o For Peel Brampton Mississauga o For York Maple Vaughan o For Durham Whitby Oshawa • Race of head of household – required (Caucasian, Indigenous, African American, Asian, Other) • Number of...
In Hawaii, the rate of motor vehicle theft is 469 thefts per 100,000 vehicles. A large...
In Hawaii, the rate of motor vehicle theft is 469 thefts per 100,000 vehicles. A large parking structure in Honolulu has issued 414 parking permits. (a) What is the probability that none of the vehicles with a permit will eventually be stolen? (Round λ to 1 decimal place. Use 4 decimal places for your answer.) (b) What is the probability that at least one of the vehicles with a permit will eventually be stolen? (Use 4 decimal places.) (c) What...
In Hawaii, the rate of motor vehicle theft is 469 thefts per 100,000 vehicles. A large...
In Hawaii, the rate of motor vehicle theft is 469 thefts per 100,000 vehicles. A large parking structure in Honolulu has issued 414 parking permits. (a) What is the probability that none of the vehicles with a permit will eventually be stolen? (Round λ to 1 decimal place. Use 4 decimal plcaes) (b) What is the probability that at least one of the vehicles with a permit will eventually be stolen? (Use 4 decimal places.) (c) What is the probability...
Most questions answered within 3 hours.
-
accorsing to the data from thw college board, the mean wuantitive
Sat score for s demale...
asked 48 minutes ago -
1- What are 5 general characteristics of Botticelli’s
paintings?
2- Describe 5 important traits of Flemish...
asked 2 hours ago -
A golfer claims that his average golf score at the course he
plays regularly is less...
asked 2 hours ago -
On May 1, First Bank perfected a security interest in Debtor’s
inventory. On June 1, Bob...
asked 3 hours ago -
A new kind of typhoid shot is being developed by a medical
research team. The old...
asked 5 hours ago -
Write a chemical equation for these reactions. (Use
the lowest possible whole number coefficients.) Include
states-of-matter...
asked 7 hours ago -
For each of the Z-scores below, determine two probabilities
(show four three decimal places): (1) the...
asked 7 hours ago -
Oxidative phosphorylation is achieved through chemiosmotic
coupling, which turns chemical energy into osmotic potential energy
that...
asked 10 hours ago -
Hollywood Shoes would like to maintain their cash account at a
minimum level of $64,000, but...
asked 10 hours ago -
Proteins CtrA-P, DnaA, and GcrA behave similarly to what
molecule in the Eukaryotic Cell Cycle?
asked 10 hours ago -
TRUE OR FALSE
In case of a competitive tender procedure, in the request for
quotation, the...
asked 10 hours ago -
I am a little behind please provide some explanation, will
provide thumbs up.
This question considers...
asked 10 hours ago