subject

Mathematics, 21.11.2019 02:31 jaylaa04

1/.1897rockwell hardness of pins of a certain type is known to have a mean of 50 and a standard deviation of 1.2 under regular conditions. without assuming population normality, what is the approximate probability that the sample mean hardness for a random sample of 40 pins is at least 51?

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 17:40

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

Answers: 2

question

Mathematics, 21.06.2019 18:30

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Answers: 1

question

Mathematics, 21.06.2019 20:10

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Answers: 3

question

Mathematics, 21.06.2019 21:40

Use sigma notation to represent the following series for 9 terms.

Answers: 2

You know the right answer?

1/.1897rockwell hardness of pins of a certain type is known to have a mean of 50 and a standard devi...

Questions

question

Mathematics, 21.10.2019 22:10

Solve each compound inequality for xx, and graph the solution on a number line. a. x+6< 8 and x−1> −1 b. −1≤3−2x≤10 c. 5x+1<...

question

Mathematics, 21.10.2019 22:10

The formula for the volume of a sphere of radius can be expressed as a function = 4 /3 . as you work through these questions, you will see the patte...

question

History, 21.10.2019 22:10

How did england obtain riches from the new world prior to establishing colonies? a. merchants traded with the native americans for furs.

question

English, 21.10.2019 22:10

Question 13 of 24 read the following statement the director of operations for fema has promised immediate support if the hurricane d...

question

History, 21.10.2019 22:10

50: 08 during the cold war, how were the policy of containment and the domino theory related? the policy of containment the ussr establi...

question

Social Studies, 21.10.2019 22:10

Explain the basiccharacteristics of theu. s. free enterprisesystem, includingincentives, economicfreedom, competition,

question

Biology, 21.10.2019 22:10

Both animals and fungi are heterotrophic. what distinguishes animal heterotrophy from fungal heterotrophy is that most animals derive their nutrition...

question

Physics, 21.10.2019 22:10

When a group of proteins such as interferons and interleukins are released by the t cells...

question

Biology, 21.10.2019 22:10

There was a mass extinction of plants and animals at the end of the permian period 250 million years ago. which of the following would be a reasonable...

question

Biology, 21.10.2019 22:10

Small pockets of synovial fluid that reduce friction and act as a shock absorber where ligaments and tendons rub against other tissues are called...

question

Arts, 21.10.2019 22:10

George wants to shoot a market area from a height above the ground. which equipment should george use to achieve this height? george can u...

question

Business, 21.10.2019 22:10

You buy a bond for $958 that has a coupon rate of 6.20% and a maturity of 5-years. a yea face value of $1,000 and annual coupon payments.) o. what is...

question

Mathematics, 21.10.2019 22:10

Which are the side lengths of a right triangle? check all that apply. 3, 14, and sqrt205 6, 11, and sqrt158 19, 180, and sqrt181

question

Social Studies, 21.10.2019 22:10

Which statistical measure of central tendency is most affected by extreme scores?...

question

Physics, 21.10.2019 22:10

Microwaves are a form of electromagnetic radiation with wavelengths between 1 mm and 1 m. what is the frequency of a microwave with a wavelength of 3....

question

Chemistry, 21.10.2019 22:10

Decreasing the saturation of the fatty acid chains on a particular type of phospholipid would result in the formation of...

question

Health, 21.10.2019 22:10

Approximately what percentage of population health is due to health behaviors?...

question

Health, 21.10.2019 22:10

How do you know an activity is building?...

question

Computers and Technology, 21.10.2019 22:10

Write the necessary preprocessor directive to enable the use of file streams....

question

Business, 21.10.2019 22:10

The five facets of value-percept theory, if job satisfaction had to increase to a large extent, which facet should be given high priority for improvem...

More questions: Mathematics Another questions