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  3. an insurance company collects data on seatbelt use among drivers...

Question: an insurance company collects data on seatbelt use among drivers...

Question details

An insurance company collects data on​ seat-belt use among drivers in a country. Of

1800

drivers

30-39

years​ old,

26​%

said that they buckle​ up, whereas

457

of

1600

drivers

55-64

years old said that they did. Find a

98​%

confidence interval for the difference between the proportions of​ seat-belt users for drivers in the age groups

30-39

years and

55-64

years.

Construct a

98​%

confidence interval.The

98​%

confidence interval for

p 1 minus p 2p1−p2

is from

nothing

to

nothing.

​(Round to three decimal places as​ needed.)

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