subject

Physics, 31.10.2019 04:31 kerena8291

The weights of adobe bricks used for construction are normally distributed with a mean of 3 pounds and a standard deviation of 0.25 pound. assume that the weights of the bricks are independent and that a random sample of 29 bricks is selected. round your answers to four decimal places (e. g. 98.7654).
a) what is the probability that all the bricks in the sample exceed 2.75 pounds?
b) what is the probability that the heaviest brick in the sample exceeds 3.75 pounds?

ansver

Answers: 2

Show answers

Another question on Physics

question

Physics, 21.06.2019 22:00

What is the fate of the electrons that interact with a specimen in an electron microscope?

Answers: 1

question

Physics, 21.06.2019 23:30

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Answers: 3

question

Physics, 22.06.2019 15:40

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

Answers: 1

question

Physics, 23.06.2019 00:30

Drag the tiles to the correct boxes to complete the pairs. match the jobs with the education requirements. childcare director clinical psychologist concierge cosmetologist vocational school and state licensure arrowright on-the-job training arrowright a ph.d. with licensure or certification, depending on the state in which you live arrowright a bachelor’s degree in early childhood development arrowright

Answers: 1

You know the right answer?

The weights of adobe bricks used for construction are normally distributed with a mean of 3 pounds a...

Questions

question

Mathematics, 27.02.2020 19:28

Solve for w w- 5/7-5 2/3...

question

English, 27.02.2020 19:28

Click on each statement from the passage which indicates a character's point of view on a cultural experience. Leave all other passages unchecked.

question

Mathematics, 27.02.2020 19:28

The sales of KIDZ sneakers rise from $1.4 billion to $3.2 billion. Find the percent of increase....

question

German, 27.02.2020 19:28

ANOTHER ONE \ WHO IS THE FIRST PRESIDENT...

question

Business, 27.02.2020 19:28

Which factors indicate the economic development of a country?...

question

Chemistry, 27.02.2020 19:28

A protein's secondary structure arises due to interactions between amino acids. Two common secondary structures found in many proteins are α helices a...

question

Social Studies, 27.02.2020 19:28

Identify the statements about dissociative identity disorder as either true or false. A. Though separate identities have different personalitie...

question

Social Studies, 27.02.2020 19:28

Carmen owns a 2009 Toyota Camry that has been driven 24,000 miles and, to his knowledge, has no mechanical problems. He offers to sell the car to his...

question

Mathematics, 27.02.2020 19:28

A radioactive substance's half-life is the amount of time needed for half (or 50%) of the substance to decay. Let's say we have a radioactive substanc...

question

Business, 27.02.2020 19:28

Bricklanes Inc. is a company that designs and manufactures materials for interior decorations. The company expands its business in Cronje Republic to...

question

Engineering, 27.02.2020 19:28

You work in a product design company and are creating a new alarm clock for children. You want to find the best sound for the alarm clock that wakes c...

question

Engineering, 27.02.2020 19:28

The acceleration of a particle as it moves along a straight line is given bya=(2t-1)m/s2,where t is in seconds. If s=1m and v=2m/s when t=0, det...

question

Mathematics, 27.02.2020 19:28

I built a storage shed in the shape of a rectangular box on a square base. The material that I used for the base cost $4 per square foot, the material...

question

Business, 27.02.2020 19:28

Company A estimates that it needs 30% of sales in net working capital. In year 1, sales were $1 million and in year 2, sales were $2 million. Associat...

question

Business, 27.02.2020 19:28

Choose the answer below that is consistent with the following data: Assume that velocity is 5, the quantity of output is 1,000 items, the price level...

question

Physics, 27.02.2020 19:28

Calculate the final charges on (i) the surface of the thin shell of radius 2a, (ii) the outer surface of the conducting shell (radius 3a), and (iii) t...

question

Mathematics, 27.02.2020 19:28

Two different airlines have a flight from Los Angeles to New York that departs each weekday morning at a certain time. Let E denote the event that the...

question

Social Studies, 27.02.2020 19:28

Suppose a common resourcelong dashwood in a public forestlong dashis being overused because residents consider the benefits of gaining firewood or woo...

question

Mathematics, 27.02.2020 19:28

What are the soulutions of x^2+6x-6=10? x=-11 or x=-1 x=-11 or x=-1 x=-8 or x=-2 x=-8 or x=2...

question

English, 27.02.2020 19:28

A sanctimonious man would thing a. a penny saved is a penny earned b. charity begins at home c. he is better then his neighbors.

More questions: Physics Another questions

Questions on the website: 13722363