Mathematics, 05.03.2020 05:09 emilyleighty07

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.6. (Round your answers to four decimal places.) (a) If the distribution is normal, what is the probability that the sample mean hardness for a random sample of 11 pins is at least 51?

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:30

Match each function with its rate of growth or decay

Answers: 1

Answer

Mathematics, 21.06.2019 18:00

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Answers: 1

Answer

Mathematics, 21.06.2019 18:20

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

Answers: 2

Answer

Mathematics, 21.06.2019 19:30

What is the slope of the line shown below?

Answers: 2

Answer

You know the right answer?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard devia...

Questions

Mathematics, 28.05.2020 18:58

Can someone help me with this 1+2x<9...

English, 28.05.2020 18:58

If the civil and political rights of both races be equal, one cannot be inferior to the other civilly or politically. If one race be inferior to the o...

History, 28.05.2020 18:58

Ancestral Pueblo people had a thriving agricultural society, as opposed to more nomadic societies. What’s the big trade-off for prioritizing agricultu...

History, 28.05.2020 18:58

How did the Land Act of 1851 affect Mexican Americans living in territories the United States won in the Mexican-American War? A. Th...

Mathematics, 28.05.2020 18:58

Two students split a square pizza in half as shown. If each small square is one square inch, find the area of each triangular piece....

SAT, 28.05.2020 18:58

¿Entre este tipo de películas: terror-románticas-policiacas cual maneja mejor el método socrático y por qué?...

English, 28.05.2020 18:58

Which detail supports to be respectful ...

History, 28.05.2020 18:58

HELP NOW BRAINLIESTWhat was the major difference between Paul's two-year stay in Ephesus and his two-year stay in Caesarea?In...

Mathematics, 28.05.2020 18:58

PLZ HELP ME I REALLY NEED THIS DONE AND I DON'T KNOW IT PLZ

Mathematics, 28.05.2020 18:58

The map of a biking trail is drawn on a coordinate grid. The trail starts at P(−2, 1) and goes to Q(6, 1). It goes from Q to R(6, −3...

History, 28.05.2020 18:58

What did the disciples of Jesus eventually become? They became Epistles. They became Roman authorities. They became citizens o...

Chemistry, 28.05.2020 18:58

✓ Saved at 10:49 AM2. Draw the facial expression of a non-Aztec person already living in the Valley of Mexico when the Aztecs arrive. The expres...

Mathematics, 28.05.2020 18:58

Rewrite the following equation as a function of x. 161 3204 29 = 0 O A. () = 9,280 B. f(x) = -9,280 + 0

Mathematics, 28.05.2020 18:59

What is the volume of a cylinder woth base radius 2 and height 5...

Mathematics, 28.05.2020 18:59

A ball is thrown from a height of 40 meters with an initial downward velocity of 5 m/s. The ball's height h (in meters) after t seconds is given by th...

Physics, 28.05.2020 18:59

What value did you calculate for the index of refraction of the acrylic block in Part 2? How does your value compare to the accepted value of 1.50? Ca...

Mathematics, 28.05.2020 18:59

At the end of 8 years, Anna paid $400 interest for a loan. If the simple annual interest rate was 4%, how much did Anna borrow?...

Physics, 28.05.2020 18:59

At each corner of a square of side l there are point charges of magnitude Q, 2Q, 3Q, and 4Q. What is the magnitude and direction of the force on the c...

Mathematics, 28.05.2020 18:59

PLEASE HELP I WILL GIVE BRAINLIEST! (IF CORRECT)!

Mathematics, 28.05.2020 18:59

At his trucking company, Steve received an order to ship 321 cubic feet of oil in cylindrical steel barrels. If each barrel has a radius of 1.6 feet a...

More questions: Mathematics Another questions