a) What percent of total drivers are under 20? b) What percent of total drivers

Question

a) What percent of total drivers are under 20?

b) What percent of total drivers are male?

c) Write a few sentences comparing the number of male and female licensed drivers in each age group.

d) Do driver's age and sex appear to be independent? Explain.

The table below shows the number of licensed drivers in a state by age and by sex. Complete parts a) through d) Male Drivers Total Age Under 20 20-29 30-39 4777 8700 8883 9221 8285 6155 46,021 emale Drivers 4658 8721 9124 9225 8442 6099 46,269 9435 17,421 18,007 18,446 16,727 12,254 92,290 0-49 50-59 Over 60 Total

Explanation / Answer

a) percent of total drivers are under 20 =(9435/92290)*100 =10.22%

b)percent of total drivers are male=(46021/92290)*100=49.87%

c)here as we can see by comparison that female drivers are higher in numbers age group from 20 to 59 while male drivers are higher in number for age group below 20 and above 60.

d)appearantly yes as number of male and female drivers are approximately same for each age group.

while preceisely

No ; as percent of driver below 20 and male =(4777/92290)*100=5.18%

which is not eqaul to % of male *% of under 20=49.87%*10.22%=5.10%

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