subject

Mathematics, 25.04.2020 01:11 queenbroookk

Scores on the mathematics part of the SAT exam in a recent year were roughly Normal with mean 515 and standard deviation 114. You choose an SRS of 100 students and average their SAT Math scores. Suppose that you do this many, many times. Which of the following are the mean and standard deviation of the sampling distribution of
x¯¯¯?
(a) Mean = 515, SD = 114
(b) Mean = 515,
SD=114/100−−−√
(c) Mean = 515/100, SD = 114/100
(d) Mean = 515/100,
SD=114//1–√00

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 15:00

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Answers: 3

question

Mathematics, 21.06.2019 18:00

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

Answers: 1

question

Mathematics, 21.06.2019 20:40

Which table represents points on the graph of h(x) = 3√-x+2?

Answers: 3

question

Mathematics, 21.06.2019 23:40

Me d is also an option but i couldn't get it in the picture

Answers: 2

You know the right answer?

Scores on the mathematics part of the SAT exam in a recent year were roughly Normal with mean 515 an...

Questions

question

English, 15.04.2020 00:37

Which terms describe the underlined portion of the sentence? Select three options. appositive clause nonrestrictive phra...

question

Mathematics, 15.04.2020 00:37

How long a ladder must you have to reach the top of a 15-foot wall if the bottom of the ladder is placed 4 feet from the base of the wall? Round to th...

question

English, 15.04.2020 00:37

According to the lesson above, verbs are identified by their: . form prefixes meaning sentence usage spelling...

question

Spanish, 15.04.2020 00:37

When is number ciento used? Provide two examples:...

question

Chemistry, 15.04.2020 00:37

Chromatography A TLC of a mixture of three compounds, B (Rf = 0.1), C (Rf = 0.3), and A (Rf = 0.5) was run in 50% hexanes:50% ethyl acetate as the elu...

question

Biology, 15.04.2020 00:37

It has been hypothesized that these three species arose via vicariance allopatric speciation. Specifically, it has been proposed that the area was ori...

question

Biology, 15.04.2020 00:37

What will happen to the magenta molecule once all the darker blue/purple sections have been removed? A. all of the these things B. it will...

question

Computers and Technology, 15.04.2020 00:37

Implement the function fileSum. fileSum is passed in a name of a file. This function should open the file, sum all of the integers within this file, c...

question

Business, 15.04.2020 00:37

A firm defending itself in an antitrust suit would prefer the market it operates in to be defined , which the firm's market share compared to what it...

question

Social Studies, 15.04.2020 00:38

Derek wants to win the student of the year award so badly that when the name of the award winner is announced, he is convinced that he hears his name....

question

Social Studies, 15.04.2020 00:38

Professor Crane was ecstatic when he learned that his research study was approved for publication. However, his joyful feelings quickly dissipated whe...

question

Biology, 15.04.2020 00:38

Describe the events of the muscle stimulation and contraction starting with the influx of Ca at the synaptic knob (of the neuron) and ending with the...

question

Social Studies, 15.04.2020 00:38

The 2000 presidential election demonstrates how a third-party candidate can influence election outcomes. Explain how a third party influenced th...

question

Medicine, 15.04.2020 00:38

Which of the following statements regarding testicle self-examination is FALSE? A. It is best performed following a bath or shower....

question

Mathematics, 15.04.2020 00:38

Suppose that the weight (in pounds) of an airplane is a linear function of the amount of fuel (in gallons) in its tank. When carrying 12 gallons of fu...

question

History, 15.04.2020 00:38

How did Florida, Georgia, Alabama, Mississippi, and Louisiana react to South Carolina’s secession? They condemned the state’s decision. Th...

question

English, 15.04.2020 00:38

Is Cinderella a heroine?...

question

Business, 15.04.2020 00:38

Miranda is a mid-level supervisor at a home improvement store. Over the last few weeks, Miranda has noticed that Lauren has not been doing well at his...

question

Mathematics, 15.04.2020 00:38

A car insurance company suspects that the younger the driver is, the more reckless a driver he/she is. They take a survey and group their respondents...

question

Business, 15.04.2020 00:38

A(n) in the elasticity of supply or demand in a market for a good that is taxed would tend to tax revenue from that tax. a. increase; decreas...

More questions: Mathematics Another questions

Questions on the website: 13722363