subject

Mathematics, 19.10.2020 08:01 nalicia

According to an airline, flights on a certain route are on time 80% of the time. Suppose 15 flights are randomly selected and the number of on-time flights is recorded. (a) Explain why this is a binomial experiment.
(b) Find and interpret the probability that exactly 9 flights are on time.
(c) Find and interpret the probability that fewer than 9 flights are on time.
(d) Find and interpret the probability that at least 9 flights are on time.
(e) Find and interpret the probability that between 7 and 9 flights, inclusive, are on time.

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 15:00

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Answers: 1

question

Mathematics, 21.06.2019 20:50

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p

Answers: 1

question

Mathematics, 22.06.2019 01:00

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?

Answers: 2

question

Mathematics, 22.06.2019 03:50

Arandom sample of n = 25 observations is taken from a n(µ, σ ) population. a 95% confidence interval for µ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 − α)% needed.

Answers: 3

You know the right answer?

According to an airline, flights on a certain route are on time 80% of the time. Suppose 15 flights...

Questions

question

English, 13.07.2021 16:10

Question 19 of 24 Read the following passage: A woman has a successful career as a psychologist and an author. Although she has high hope...

question

Biology, 13.07.2021 16:10

In which layer of the ocean are you likely to find most planets...

question

Social Studies, 13.07.2021 16:10

What was the main reason why immigrants came to America?...

question

Computers and Technology, 13.07.2021 16:10

(Calculator Using Function Pointers) Using the techniques you learned in Fig. 7.28, create a text-based, menu-driven program that allows the us...

question

Business, 13.07.2021 16:10

If the dispersion around a stock's return increases:. a. the expected return decreases b. the stock's price increases c. the stock's ri...

question

Business, 13.07.2021 16:10

Cadbury Company uses a job order costing system. Manufacturing overhead is applied on the basis of direct labor cost. Total manufacturing overhead was...

question

Computers and Technology, 13.07.2021 16:10

Write a function called count_characters() that counts the number of times each character appears in a user-supplied string s. Your function should lo...

question

Arts, 13.07.2021 16:10

Berlioz: March to the Scaffold and Witches' Sabbath from Symphonie fantastique Respond to the following questions using the March Listening Outline an...

question

Business, 13.07.2021 16:10

. Suppose the market for personal computers in country A is monopolistically competitive. Country A exports as well as imports personal computers from...

question

Business, 13.07.2021 16:10

ureform, Inc., uses the weighted-average method in its process costing system. It manufactures a product that passes through two departments. Data for...

question

Health, 13.07.2021 16:10

How do i avoid a rust infection on my reproduction gland...

question

Chemistry, 13.07.2021 16:10

Which of these statements is true about planets? Planets A. revolve around the sunB. are spherical in shapeC. rotate in its axisD....

question

Business, 13.07.2021 16:10

Powell Company owns 80% of the outstanding common stock of Sullivan Company. On June 30, 2014, Sullivan Company sold equipment to Powell Company for $...

question

Mathematics, 13.07.2021 16:10

A survey is created to measure dietary habits. The survey asks questions about each meal and snack consumed for each day of the week. The survey seems...

question

Business, 13.07.2021 16:10

Fitness Fanatics is a regional chain of health clubs. The managers of the clubs, who have authority to make investments as needed, are evaluated based...

question

Biology, 13.07.2021 16:10

The density of protists living in the hay infusion is than the regular pond water. a. significantly lesser b. lesser c. about the same...

question

Mathematics, 13.07.2021 16:10

The triangles are congruent by the SSS congruence theorem. Triangles A B C and F E D are shown. Triangle A B C is reflected across A C and then is shi...

question

Business, 13.07.2021 16:10

Saddle Inc. has two types of handbags: standard and custom. The controller has decided to use a plantwide overhead rate based on direct labor costs. T...

question

Business, 13.07.2021 16:10

A textbook publisher for books used in business schools believes that the number of books sold is related to the number of campus visits to decision m...

question

English, 13.07.2021 16:10

Fiona is writing a paper about how to be successful in life. She has come across this text in the source "To Be Famous We Must Be Ambitious" by Rosett...

More questions: Mathematics Another questions

Questions on the website: 13722359