Question

At an airport, 75% of recent flights have arrived on time. A sample of 11 flights...

At an airport, 75% of recent flights have arrived on time. A sample of 11 flights is studied. Find the probability that no more than 4 of them were on time.

Round your answer in 4 decimal places

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
At an airport, 75% of recent flights have arrived on time. A sample of 11 flights...
At an airport, 75% of recent flights have arrived on time. A sample of 11 flights is studied. Find the probability that no more than 4 of them were on time. Round your answer in 4 decimal places
At Denver International Airport, 86%  of recent flights have arrived on time. A sample of 10 flights...
At Denver International Airport, 86%  of recent flights have arrived on time. A sample of 10 flights is studied. Round the probabilities to four decimal places. (a) Find the probability that all 10 of the flights were on time. (b) Find the probability that exactly 8 of the flights were on time. (c) Find the probability that 8 or more of the flights were on time. (d) Would it be unusual for 9 or more of the flights to be on...
Your flight has been delayed: At Denver International Airport, 87% of recent flights have arrived on...
Your flight has been delayed: At Denver International Airport, 87% of recent flights have arrived on time. A sample of 12 flights is studied. Round the probabilities to four decimal places. (a) Find the probability that all 12 of the flights were on time. (b) Find the probability that exactly 10 of the flights were on time. (c) Find the probability that 10 or more of the flights were on time. (d) Would it be unusual for 11 or more...
At a major International Airport, 0.35 of the flights arrive on time. A sample of 10...
At a major International Airport, 0.35 of the flights arrive on time. A sample of 10 flights is studied. What is the probability that more than 3 of them arrived on time? Write only a number as your answer. Round to 2 decimal places (for example 0.24). Do not write as a percentage.
your flight has been delayed. at Philadelphia international airport, 80% of recent flights have arrived on...
your flight has been delayed. at Philadelphia international airport, 80% of recent flights have arrived on time. a sample of 14 flights is studied. a) find the probability that exactly 14 of the flights were on time. b) find the probability that at least 12 of the flights were on time.c) find the probability that at most 10 of the flights were on time. d) would it be unusual for less than 9 of the flights to be on time.e)...
According to an​ airline, flights on a certain route are on time 75% of the time....
According to an​ airline, flights on a certain route are on time 75% of the time. Suppose 20 flights are randomly selected and the number of​ on-time flights is recorded. ​(a) Explain why this is a binomial experiment. ​(b) Determine the values of n and p. ​(c) Find and interpret the probability that exactly 11 flights are on time. ​(d) Find and interpret the probability that fewer than 11 flights are on time. ​(e) Find and interpret the probability that...
A student takes a multiple-choice test that has 40 questions. Each question has 5 choices. The...
A student takes a multiple-choice test that has 40 questions. Each question has 5 choices. The student did not study for the test and decides to randomly guess at each question. (Hint: The probability of guessing correctly is 0.2.) Round the probability to four decimal places. a) Find the probability the student gets exactly 10 problems correct._______________ (Show work.) b) Calculate the mean.____________ c) Calculate the standard deviation._____________ Your flight has been delayed. At Philadelphia International Airport, 90% of recent...
According to the Transportation Bureau, 22% of flights in the U.S. failed to arrive on time...
According to the Transportation Bureau, 22% of flights in the U.S. failed to arrive on time (more than 15 minutes late) in 2009. A recent random sample of 800 flights is taken and 184 of them failed to arrive on time. Test at the 0.01 level of significance whether the current percentage of U.S. flights that arrive late exceeds 22%. (a) State the null and alternative hypotheses. H0:p H a : p (b) Calculate the test statistic. (Round to 3...
Consumer Reports rated airlines and found that 80% of the flights involved in the study arrived...
Consumer Reports rated airlines and found that 80% of the flights involved in the study arrived on time (i.e., within 15 minutes of scheduled arrival time). Assuming that the on-time arrival rate is representative of the entire commercial airline industry, consider a random sample of 214 flights. (Round your answers to two decimal places.) What is the expected number that will arrive on time? What is the standard deviation of this distribution? The Orchard Cafe has found that about 6%...
American Airlines' flights from Boston to Atlanta are on time 70% of the time. Suppose 8...
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.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT