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kari74 [83]
3 years ago
11

The percent of licensed U.S. drivers (from a recent year) that are female is 48.60. Of the females, 5.03% are age 19 and under;

81.36% are age 20-64; 13.61% are age 65 or over. Of the licensed U.S. male drivers, 5.04% are age 19 and under; 81.43% are age 20-64; 13.53% are age 65 or over. Complete the following.
(a) How many would you expect to be male?
(b) Using the table or tree diagram, construct a contingency table of gender versus age group.
(c) Using the contingency table, find the probability that out of the age 20–64 group, a randomly selected driver is female.
Mathematics
1 answer:
docker41 [41]3 years ago
6 0

Answer:

a) 51.4

b) answer attached

c) 48.59% female

Step-by-step explanation:

a) Male driver = 100-48.6 = 51.4%

b) answer attached below

c) probability that out of 20-64 group a randomly selected sample is female

( 39.54 ÷ 81.36 ) x 100

= 48.59% chance of her being a female

Download docx
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