Question

Two airplanes are flying in the same direction in adjacent
parallel corridors. At time *t* = 0, the first airplane is
10 km ahead of the second one. Suppose the speed of the first plane
(km/hr) is normally distributed with mean 520 and standard
deviation 8 and the second plane's speed is also normally
distributed with mean and standard deviation 500 and 8,
respectively.

(a) What is the probability that after 2 hr of flying, the
second plane has not caught up to the first plane? (Round your
answer to four decimal places.)

(b) Determine the probability that the planes are separated by at
most 10 km after 2 hr. (Round your answer to four decimal
places.)

Answer #1

A couple of cyclists are racing down a path in adjacent and
parallel lanes. At time t = 0, the first cyclist is ahead of the
second one by 1 km. The mean speed of the first cyclist (km/hr) is
40 with standard deviation 1 and the mean speed of the second
cyclist is 39 with standard deviation 1. Both cyclists’ speeds are
normally distributed.
a) After 2 hours of cycling, what is the probability that the
second cyclist has...

There are two machines available for cutting corks intended for
use in wine bottles. The first produces corks with diameters that
are normally distributed with mean 3 cm and standard deviation 0.08
cm. The second machine produces corks with diameters that have a
normal distribution with mean 3.04 cm and standard deviation 0.04
cm. Acceptable corks have diameters between 2.9 cm and 3.1
cm.
What is the probability that the first machine produces an
acceptable cork? (Round your answer to...

5) Two high-speed ferries leave at the same time from a city to
go to the same island. The first ferry, the Cat, travels at
36 miles per hour. The second ferry, the Bird, travels at 23
miles per hour. In how many hours will the two ferries be 26 miles
apart?
The ferries will be 26 miles apart after ...hour(s).
6) Jane took 30 min to drive her boat upstream to water-ski at
her favorite spot. Coming back later...

1) The amount of time to complete a physical activity in a PE
class is approximately normally normally distributed with a mean of
39.7 seconds and a standard deviation of 7.8 seconds.
a) 80% of all students finish the activity in less than ______
seconds.
2) Heights of 10 year old children, regardless of sex, closely
follow a normal distribution with mean 55 inches and standard
deviation 6.4 inches. Round answers to 4 decimal places.
a) 75% of all 10...

What tools could AA leaders have used to increase their
awareness of internal and external issues?
???ALASKA AIRLINES: NAVIGATING CHANGE
In the autumn of 2007, Alaska Airlines executives adjourned at
the end of a long and stressful day in the
midst of a multi-day strategic planning session. Most headed
outside to relax, unwind and enjoy a bonfire
on the shore of Semiahmoo Spit, outside the meeting venue in
Blaine, a seaport town in northwest
Washington state.
Meanwhile, several members of...

Delta airlines case study
Global strategy. Describe the current global
strategy and provide evidence about how the firms resources
incompetencies support the given pressures regarding costs and
local responsiveness. Describe entry modes have they usually used,
and whether they are appropriate for the given strategy. Any key
issues in their global strategy?
casestudy:
Atlanta, June 17, 2014. Sea of Delta employees and their
families swarmed between food trucks, amusement park booths, and
entertainment venues that were scattered throughout what would...

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