Question
In: Statistics and Probability
An insurance company checks police records on 556 accidents selected at random and notes that teenagers...
An insurance company checks police records on 556 accidents selected at random and notes that teenagers were at the wheel in 91 of them. Complete parts
a) Construct the 95% confidence interval for the percentage of all auto accidents that involve teenage drivers.
Solutions
Expert Solution
Answer:
To determine the 95%confidence interval
Consider,
sample proportion:: 91/556 = 0.165
P =0.165,
q =1-0.165 = 0.84
Now,
Consider
ME = 1.96*sqrt[0.165*0.84/556] = 0.03095
95%Confidence interval is given as foolows
0.165 - 0.03095 < p < 0.165 + 0.03095
0.1341 < p < 0.1960
orchestra answered 2 years agoRelated Solutions
An insurance company checks police records on 556 accidents selected at random and notes that teenagers...
An insurance company checks police records on 556 accidents
selected at random and notes that teenagers were at the wheel in 82
of them. Complete parts a) through d)
a) Construct the 95% confidence interval for the percentage of
all auto accidents that involve teenage drivers. (Round to one
decimal place as needed.)
b) Explain what your interval means.
c) Explain what "95% confidence" means.
d) A politician urging tighter restrictions on drivers'
licenses issued to teens says, "In one...
An insurance company checks police records on 599 accidents selected at random and notes that teenagers...
An insurance company checks police records on 599 accidents
selected at random and notes that teenagers were at the wheel in 94
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 571 accidents selected at random and notes that teenagers...
An insurance company checks police records on 571 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.
95% Cl= (____%, ____%)
(Round to one decimal place as needed.)
An insurance company checks police records on 557 accidents selected at random and notes that teenagers...
An insurance company checks police records on 557 accidents
selected at random and notes that teenagers were at the wheel in 88
of them.
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. A. We are 95% confident that the true percentage of
accidents involving teenagers falls inside the confidence interval
limits. B. We...
An insurance company checks police records on 591 accidents selected at random and notes that teenagers...
An insurance company checks police records on 591 accidents
selected at random and notes that teenagers were at the wheel in 85
of them. Complete parts a) through d).
A) creat a 95% confidence interval for the percentage of all
auto accidents that involve teenage drivers.
B) explain what your intervals mean
C) explain what 95% condifence means.
D) a politican urging tighter restrictions on drivers licenses
issued to teens says, "In one of every five auto accidents, a
teenager...
An insurance company checks police records on 559 accidents selected at random and notes that teenagers...
An insurance company checks police records on 559 accidents
selected at random and notes that teenagers were at the wheel in 82
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 568 accidents selected at random and notes that teenagers...
An insurance company checks police records on 568 accidents
selected at random and notes that teenagers were at the wheel in 92
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 the true percentage of accidents
involving teenagers...
An insurance company checks police records on 559 accidents selected at random and notes that teenagers...
An insurance company checks police records on 559 accidents
selected at random and notes that teenagers were at the wheel in 92
of them. Construct the 95% confidence interval for the percentage
of all auto accidents that involve teenage drivers.
Question: 95% CI= (___%,___%) (round to one
decimal place as needed.)
An insurance company checks police records on 564 accidents selected at random and notes that teenagers...
An insurance company checks police records on 564 accidents
selected at random and notes that teenagers were at the wheel in 97
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.)
An insurance company checks police records on 1000 accidents selected at random and finds that teenagers...
An insurance company checks police records on 1000
accidents selected at random and finds that teenagers were at the
wheel for 225 of them.
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Suppose you observe the following situation: State of Economy Probability of State Return if State Occurs...
- Merger Analysis TransWorld Communications Inc., a large telecommunications company, is evaluating the possible acquisition of Georgia...
- Journal Entries and Trial Balance Elite Realty acts as an agent in buying, selling, renting, and...
- In racket Assume that the elements of a list are indexed starting with 1. Write a...
- Describe System Development Life Cycle (SDLC) and how it is used.
- What symbolism do you find in the play,Oedipus?
- • Using the Scanner class to obtain input from the user. • Using printf to output...
ADVERTISEMENT