Question

In: Statistics and Probability

The table shows the percentage of drivers for the entire U.S. population for different age groups....

The table shows the percentage of drivers for the entire U.S. population for different age groups.
Age Group
15 – 24 ; 25 – 44 ; 45 – 64 ; 65 – 84 ;85 – 104
Percent of drivers
22.21 ; 33.33 ; 29.772; 13.678 ; 1.01

5. Calculate the mean age.
6. What is the variance of the age of the drivers?
7. What is the median class?
What is the cumulative relative frequency of the class 45 - 64?
9. What is the probability that a randomly selected driver will have an age that is greater than the modal class?
10. The shape of this distribution is

Solutions

Expert Solution

orchestra answered 1 year ago
Next > < Previous

Related Solutions

The data in the table represent the number of licensed drivers in various age groups and...
The data in the table represent the number of licensed drivers in various age groups and the number of fatal accidents within the age group by gender. Complete parts​ (a) to​ (c) below. LOADING... Click the icon to view the data table. <_16   12   227   12   77 16-20   6424   5180   6139   2113 21-24   6936   5016   6816   1537 25-34   18068   8587   17664   2780 35-44   20406   7990   20048   2742 45-54   19898   7138   19984   2285 55-64   14324   4527   14441   1514 65-74   8194   2274  ...
The data in the table represent the number of licensed drivers in various age groups and...
The data in the table represent the number of licensed drivers in various age groups and the number of fatal accidents within the age group by gender. Complete parts​ (a) to​ (c) below. Age   Number_of_Male_Licensed_Drivers_(000s), Number_of_Fatal_Crashes, Number_of_Female_Licensed_Drivers0000s), Number_of_Fatal_Crashes <_16   12   227   12   77 16-20   6424   5180   6139   2113 21-24   6936   5016   6816   1550 25-34   18068   8565   17664   2780 35-44   20406   7990   20061   2742 45-54   19898   7126   19984   2285 55-64   14363   4527   14441   1514 65-74   8194   2274   8398   938 >_74   4803   2022  ...
The table shows the estimated percentage P of the population of a certain country that are...
The table shows the estimated percentage P of the population of a certain country that are mobile-phone subscribers. (End of year estimates are given.) Year 1997 1999 2001 2003 2005 2007 P 2.1 8.2 15.7 25 45.7 62.5 (a) Find the average rate of change of P. (i) From 2003 to 2007 ........................... percentage points per year (ii) From 2003 to 2005 ............................. percentage points per year (iii) From 2001 to 2003 ............................... percentage points per year (b) Estimate the...
The table shows the estimated percentage P of the population of a certain country that are...
The table shows the estimated percentage P of the population of a certain country that are mobile-phone subscribers. (End of year estimates are given.) Year 1997 1999 2001 2003 2005 2007 P 2.1 8.2 15.7 25 45.7 62.5 (c) Estimate the instantaneous rate of growth in 2003 by sketching a graph of P and measuring the slope of a tangent. (Sketch your graph so that it is a smooth curve through the points, and so that the tangent line has...
What percentage of the U.S. population are overweight?
What percentage of the U.S. population are overweight?
The population of Americans age 55 and older as a percentage of the total population is...
The population of Americans age 55 and older as a percentage of the total population is approximated by the function f(t) = 10.72(0.9t + 10)0.3 (0 ≤ t ≤ 20) where t is measured in years, with t = 0 corresponding to the year 2000.† (Round your answers to one decimal place.) At what rate was the percentage of Americans age 55 and older changing at the beginning of 2003? % per year At what rate will the percentage of...
Discuss that current state of immigration in the U.S. What percentage of the U.S. population was...
Discuss that current state of immigration in the U.S. What percentage of the U.S. population was born outside of the United States?
amusement park that charges different rates for different age groups: (1) Admission for anyone under age...
amusement park that charges different rates for different age groups: (1) Admission for anyone under age 4 is free; (2) Admission for anyone between the ages of 4 and 18 is $5; (3) Admission for anyone age 18 or older is $10. Write a Python program that outputs a person's admission fee. Please give me the answer with showing the full details how to do it in jupitar note book. The answer is in the chegg its so confusing and...
The table below shows the distribution of income in the U.S. in the year 1978. Table...
The table below shows the distribution of income in the U.S. in the year 1978. Table 19.1 Percent Distribution of Aggregate Household Income in 1978, by Fifths of Households Households Percent of Income Lowest Fifth (under $6,391) 4.3 Second Fifth ($6,392 - $11,955) 10.3 Third Fifth ($11,956 - $18,122) 16.9 Fourth Fifth ($18,122 - $26,334) 24.7 Top Fifth ($26,335 and over) 43.9 Refer to Table 19.1. What percentage of income is received by the bottom 20% of the households? a....
1. The following table shows different baskets of black pens: Baskets Number of baseballs (Population) 1...
1. The following table shows different baskets of black pens: Baskets Number of baseballs (Population) 1 45 2 27 3 45 4 50 5 54 (a) List all samples of size 2, and compute the mean of each sample. (b) Compute the mean of the distribution of the sample mean and the population mean. Compare the two values. (c) Compare the dispersion in the population with that of the sample mean.
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT