an insurance company crashed four cars in succession
at 5 miles per hour. the cost of...
an insurance company crashed four cars in succession
at 5 miles per hour. the cost of repair of the four crashes was
$429 $459 $318. Compute the range, sample variance, and sample
standard deviation cost of repairs
an
insurance company crashed four cars in succession at 5 miles per
hour. the cost of repair for each of the four crashes was $428,
$463, $413, $230. Compute the range, sample variance and the sample
standard devition cost of repair
company crashed four cars in succession at 5 miles per
hour the cost of repair for each of the four crashes was $425 $455
400 $16 $232 compute the range sample variance and variance
standard deviation cost of repair
The Bureau of Labor Statistics shows that the average insurance
cost to a company per hour worked for an employee by major industry
group, is $2.94 for construction workers and $3.76 for
manufacturing workers. Suppose these figures were obtained from 14
construction workers and 15 manufacturing workers and that their
respective population standard deviations are $1.38 and $1.51.
Assume that such insurance costs are normally distributed in the
population.
Calculate a 98% confidence interval to estimate the difference in
the...
Two cars start driving from the same point. One travels north at
30 miles per hour, and the other travels east at 45 miles per hour.
At what rate is the distance between the cars increasing two hours
later?
(a) Draw a diagram, label quantities.
(b) Write rates as derivatives.
(c) Find an equation involving the quantities; differentiate on both
sides with respect to t.
(d) Plug in known information and solve for the unknown. [As usual,
numeric simplification not...
19) -In a crash test at five miles per hour, the mean bumper
repair cost for 14 midsize cars was $547 with a standard
deviation of $85. In a similar test of 23 small cars,
the mean bumper repair cost was $347 with a
standard deviation of $185. At a = 0.05, can you
conclude that the mean bumper repair cost is the same for midsize
cars and small cars? a) List the p-value
b) accept or reject.
- Last year the average...
Your car gets 22 miles per gallon (MPG) at 55 miles per hour
(MPH) and 18 MPG at 65 MPH. At what speed should you make a
450-mile trip 1. If gas costs $2.95 per gallon and your time is
worth $17/hour? 2. If gas costs $3.80 per gallon and your time is
worth $11.5/hour? 3. If gas costs $4.75 per gallon and your time is
worth $8.9/hour? 4. Building an Excel spreadsheet to calculate the
total trip cost for...
Your car gets 25 miles per gallon (mpg) at 60 miles per hour
(mph) and 18 mpg at 70 mph. At what speed should you make a
600-mile trip:
1. If gas costs $3 per gallon and your time is worth $12 per
hour?
2. If gas costs $4 per gallon and your time is worth $15 per
hour?
3. If gas costs $5 per gallon and your time is worth $10 per
hour?
4. Build a spreadsheet to calculate...
Your car gets 29 miles per gallon (mpg) at 60 miles
per hour (mph) and 25 mpg a 70 mph. At what speed should you make a
525-mile trip:
If gas costs $3 per gallon and your time is worth $18 per
hour
If gas costs $4 per gallon and your time is worth $12 per
hour
If gas costs $5 per gallon and your time is worth $9 per
hour
Cars enter a car wash at a mean rate of 2 cars per half an hour.
What is the probability that, in any hour, exactly 5 cars will
enter the car wash? Round your answer to four decimal places.