Question

An insurance company checks police records on 563 accidents selected at random and notes that teenagers were at the wheel in 98 of them.

**Question: Construct the 95% confidence interval for the
percentage of all auto accidents that involve teenage
drivers.**

**Answer: 95% CI= (____%,____%)** (round to 1
decimal as needed.)

Answer #1

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An insurance company checks police records on 573 accidents
selected at random and notes that teenagers were at the wheel in 91
of them. Complete parts a) through d).
a) Construct the 95% confidence interval for the percentage of
all auto accidents that involve teenage drivers

An insurance company checks police records on 573 accidents
selected at random and notes that teenagers were at the wheel in 83
of them. Complete parts a) through d).
a) Construct the 95% confidence interval for the percentage of
all auto accidents that involve teenage drivers.
95%
CIequals=left parenthesis nothing % comma nothing % right
parenthesis%,%
(Round to one decimal place as needed.)

An insurance company checks police records on 596 accidents
selected at random and notes that teenagers were at the wheel at 87
of them. if we want to construct a 95% confidence interval for the
proportion of all auto accidents that involve teenage drivers, what
would be the standard error of the sample proportion of
successes?

An insurance company checks police records of 560 accidents
selected at random and found that teenagers were at the wheel in
18% of them. Construct a 95% confidence interval for the true
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Interpret your results.

An insurance company checks police records on 562 accidents
selected at random and notes that teenagers were at the wheel in 81
of them. Complete parts a) through d).
a) Construct the 95% confidence interval for the
percentage of all auto accidents that involve teenage
drivers.
95% CI = ( ___________ %, _________ % )
(Round to one decimal place as needed.)
b) Explain what your interval means.
We are 95% confident that a randomly sampled accident would
involve a...

An insurance company checks police records on 565 accidents
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all auto accidents that involve teenage drivers. B) explain what
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a) Are the conditions for creating a confidence interval
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A random sample of eight auto drivers insured with a
company and having similar auto insurance policies
was selected. The following table lists their driving experience
(in years) and the monthly auto insurance
premium (in dollars).
Driving Experience(years) 5 2 12 9 15 6 25 16
Monthly Premium(dollars) 64 87 50 71 44 56 42 60
Answer the following questions.
(a) Does the insurance premium depend on driving experience or does
the driving experience depend on
insurance premium? Do you...

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