Question

The Ministry of Transport reported that in 2016, British Airways
led all domestic airlines in on-time arrivals for domestic flights,
with a rate of 0.725. Using the binomial distribution, what is the
probability that in the next nine flights:

(i) Four flights will be on time?

(ii) All nine flights will be on time?

(iii) At most, two will be on time?

Answer #1

32.71% of Delta Airlines were never on time in 2016. Assume this
percentage still holds true for airline. For the next 31 flights
from Delta Airlines, use the normal approximation to the binominal
distribution to answer the following questions.
a) Find the probability that exactly 9 flights will arrive on
time.
b) Find the probability that fewer than 15 flights will arrive on
time.
c) Find the probability that 21, 22, or 23 flights will arrive on
time.

American Airlines' flights from Boston to Atlanta are on time
70% of the time. Suppose 8 flights are randomly selected, and the
number on-time flights is recorded. Use the binomial distribution
to compute the following.
(a) The probability that exactly 2 flights are on
time is
(b) The probability that more than 7 flights are
on time is
(c) The probability that at most 4 flights are on
time is
Round all answers to at least 4 decimal places.

According to recent estimates by the Insurance Corporation of
British Columbia (ICBC), 20 percent of all auto insurance claims in
BC are fraudulent. Suppose that this estimate is correct,
(a) If 10 auto insurance claims are taken at random, use the
binomial distribution to determine the probability that:
(i) at least 6 claims are fraudulent
(ii) at most 3 claims are fraudulent
(iii) anywhere between 5 and 8 (inclusive) claims are
fraudulent
(iv) at least 1 claim is fraudulent
(b)...

The average time for a particular LED TV needs ﬁrst service is
415 days with standard deviation of 30 days. The manufacturer gives
one year (365 days) onsite service warranty for newly bought TVs.
Assume that the times for ﬁrst service call are approximately
normally distributed. Let X denote the time until the ﬁrst service
for an LED TV.
a. The distribution of X is (i) Standard normal with mean 0 and
variance 1. (ii) Normal with mean 415 days...

(a) In a given city, 6 % of all drivers get at least one parking
ticket per year. A total of 80 drivers are randomly chosen in the
city.
(i) State the binomial model. What is the probability that four
will get at least one parking ticket in any given year? By applying
Poisson approximation to the binomial distribution, analyze the
same problem and comment on the results
(ii) By using the Poisson approximation, what is the probability
that at...

(1 point) BlueSky Air claims that at least 80% of its flights
arrive on time. A random sample of 160 BlueSky Air flights revealed
that 115 arrive on time. Do the data provide sufficient evidence to
contradict the claim by BlueSky Air (i.e., you would like to see
whether the percentage of the airline's flight is below what the
airline claims)? Part i) What is the parameter of interest? A. The
proportion of all BlueSky Air flights that arrive on...

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...

1. USA Today reported that approximately 25% of all
state prison inmates released on parole become repeat offenders
while on parole. Suppose the parole board is examining five
prisoners up for parole. Let x = number of prisoners out
of five on parole who become repeat offenders.
x
0
1
2
3
4
5
P(x)
0.223
0.375
0.217
0.153
0.031
0.001
(a) Find the probability that one or more of the five parolees
will be repeat offenders. (Round your answer...

I. Solve the following problem:
For the following data:
1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 5, 6 n = 12
b) Calculate
1) the average or average
2) quartile-1
3) quartile-2 or medium
4) quartile-3
5) Draw box diagram (Box & Wisker)
II. PROBABILITY
1. Answer the questions using the following
contingency table, which collects the results of a study to 400
customers of a store where you want to analyze the payment
method.
_______B__________BC_____
A...

Please summarize the below article in approximately 100
words:
Monumental function in British Neolithic burial practices
Ian Kinnes
The high-risk rate of survival for the non-megalithic series of
Neolithic funerary monuments, recently re-emphasized by Piggott
(1973: 34), introduces a further variable into the deductive study
of burial practices. In Britain and Europe the overall distribution
of monumental forms present both lacunae and a marked preponderance
of cairns over earthen mounds which are in ill accord with the
known or predicted...

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