Question
In: Statistics and Probability
suppose that 25% of all licensed drivers in a particular state do not have insurance. let...
suppose that 25% of all licensed drivers in a particular state do not have insurance. let x be the number of uninsured drivers in a random sample of size 40. what is the probability that between 7 and 14 (both inclusive) of the selected drivers are uninsured?
Solutions
Expert Solution
## Note:-
X is approximately normally distributed. But in order to approximate a Binomial distribution (a discrete distribution) with a normal distribution (a continuous distribution), a so called continuity correction needs to be conducted.
orchestra answered 2 years agoRelated Solutions
12% of all drivers do not have a valid driving license, 6% of all drivers have...
12% of all drivers do not have a valid driving license, 6% of
all drivers have no insurance, 4% have neither. The probability
that a randomly selected driver fails to have insurance, given that
he fails to have a valid license is about
1) Suppose you have the following information. 12% of all drivers do not have a valid...
1) Suppose you have the following information. 12% of all
drivers do not have a valid driver’s license, 6% of all drivers
have no insurance, and 4% have neither (i.e., do not have driver’s
license and do not have insurance). The probability that a randomly
selected driver either fails to have a valid license or fails to
have insurance is about
(a) 0.18
(b) 0.2
(c) 0.22
(d) 0.072
(e) 0.14
3) Given that events A and B are mutually...
Suppose the percent of licensed U.S. drivers (from a recent year) that are female is 49.50....
Suppose the percent of licensed U.S. drivers (from a recent
year) that are female is 49.50. Of the females, 5.19% are age 19
and under; 79.24% are age 20-64; 15.57% are age 65 or over. Of the
licensed U.S. male drivers, 5.25% are age 19 and under; 79.32% are
age 20-64; 15.43% are age 65 or over.
a. construct a contingency table of the situation( round to two
decimal places)
19 and under
20-64
65 and over
Total
Female
%...
It is claimed by a prominent insurance company that exactly 13% of drivers do not have...
It is claimed by a prominent insurance company that exactly 13%
of drivers do not have insurance. The insurance company collects a
sample of 600 drivers and finds that 120 of them do not have
insurance. Test the claim using a level of significance equal to
0.01.
State the claim: LaTeX: H_0H 0: p ________13% claim
LaTeX: H_1H 1:pLaTeX: \ne≠13%
Determine the direction of the tails: Left, Right, or Two:
Find the critical value: +/-
Compute Test Point (round to...
Data from the Motor Vehicle Department indicate that 80% of all licensed drivers are older than...
Data from the Motor Vehicle Department indicate that 80%
of all licensed drivers are older than age 25.
a. In a sample of n=50 people who recently received
speeding tickets, 33 were older than 25 years and the other 17 were
age 25 or younger. Is the age distribution for this sample
significantly different from the distribution for the population of
licensed drivers? Use α= 0.05.
b. In a sample of n=50 people who recently received
parking tickets, 36 were...
Data from the Motor Vehicle Department indicate that 80% of all licensed drivers are older than...
Data from the Motor Vehicle Department indicate that 80% of all
licensed drivers are older than age 25. In a sample of n = 50
people who recently received speeding tickets, 33 were older than
25 years and the other 17 were 25 or younger. Is the age
distribution for this sample significantly different from the
distribution for the population of licensed drivers? Use α =
.05
Identify the proposed analysis.
State your scales of measurement (e.g. nominal) for variables...
Data from the Motor Vehicle Department indicate that 80% of all licensed drivers are older than...
Data from the Motor Vehicle Department indicate that 80% of all
licensed drivers are older than age 25. Information on the age of
n = 50 people who recently received speeding tickets was
sourced by researchers who are interested in whether the age
distribution for the sample of drivers who recently received
speeding tickets is different from the age distribution for the
population of licensed drivers.
State your proposed analysis and why you chose that
analysis.
State the scales of...
The commissioner of insurance generally has more control over insurers not licensed in the state. (True...
The commissioner of insurance generally has more control over
insurers not licensed in the state. (True or False)?
Automobile insurance companies require drivers they insure have a valid drivers’ license and will not pay...
Automobile insurance companies require drivers they insure have
a valid drivers’ license and will not pay 100% of damage claims.
Explain why.
Longhorn Insurance offers mail-order automobile insurance topreferred-risk drivers in the state of Texas. The company...
Longhorn Insurance offers mail-order automobile insurance to
preferred-risk drivers in the state of Texas. The company is the
low-cost provider of insurance in this market with fixed costs of
$18 million per year, plus variable costs of $750 for each driver
insured on an annual basis. The demand curve for the company is: P
= $1,500 $0.005QA. Calculate price and quantity at the profit maximizing level
of output.B. Calculate price and quantity at the revenue maximizing level
of output.C....
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