An insurance company checks police records on 582 accidents selected at random and notes that teenages were at the wheel in 91 of them.
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 is being the wheel" Does your confidence interval supprt or contradict this statement? explain.
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An insurance company checks police records on 582 accidents selected at random and notes that teenages...
An insurance company checks police records on 590 accidents selected at random and notes that teenagers were at the wheel in 90 of them. a) Construct the 95% confidence interval for the percentage of all auto accidents that involve teenage drivers. 95% Cl= (....%, ....%)
Please do not use excel or spreadsheet! An insurance company is interested in estimating the percentage of auto accidents that involve teenage drivers. Suppose the percentage of auto accidents that involved teenage drivers last year was 15%. The company wants to know if the percentage has changed this year. They check the records of 600 accidents selected at random from this year and note that teenagers were at the wheel in 60 of them. (a) Create a 90% confidence interval...
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