Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1) Random sample is attained from the normal population with the mean of µ = 80 and a standard deviation of σ = 8. Which of the following outcomes is more probable Describe your answer?

A. A sample mean greater than 86 for a sample of n = 4 scores.

B. A sample mean greater than 84 for a sample of n = 16 scores.

2) Population has the mean of µ = 45 and a standard deviation of σ = 20. Determine the z-score corresponding to each of the following sample means attained from this population (hint: use the standard error).

A. mean = 47 for a sample of n = 4 scores

B. mean = 47 for a sample of n = 100 scores

C. mean = 40 for a sample of n = 16 scores

3) Distribution of scores on the SAT is approximately normal with the mean of 500 and a standard deviation of σ = 100. For the population of students who have taken the SAT.

A. Determine the percentage which has SAT scores greater than 550?

B. What is the minimum SAT score required to be in the highest 10% of the population?

C. If a state college only accepts students from top 60% of the SAT distribution, determine the minimum SAT score required to be accepted?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M910327

Have any Question? 


Related Questions in Statistics and Probability

I love juliet and i know that juliet loves me but i do not

I love Juliet, and I know that Juliet loves me, but I do not know if Juliet knows that I love her. Provide an Aumann model of incomplete information that describes this situation, and specify a state of the world in that ...

Cnsider selecting one card at a time from a 52-card deck

Consider selecting one card at a time from a 52-card deck. What is the probability that the first card is from the suit of hearts and the second card is also from the suit of hearts? (Note there are 13 cards from the sui ...

Please read below i need help right away i have posed this

Please read below. I need help right away. I have posed this problem in three different ways an the only consistant answer I get is instructing me to go pay money to another site. PLEASE HELP! Inferential Research and St ...

1 what is an interaction2 how many interactions can be

1. What is an interaction? 2. How many interactions can be tested in a 2 x 2 design? In a 3 x 3 design? In a 2 x 2 x 3 design? 3. Why do researchers use expericorr designs?

The mean sat score in mathematics is 515 the founders of a

The mean SAT score in mathematics is 515 . The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean. Suppose that the founders of the course ...

The two-person game shown in table 1 has a unique nash

The two-person game shown in Table 1 has a unique Nash equilibrium (see Moulin and Vial, 1978) in which each player's expected payoff is 3.

Lazer incorporated purchased a delivery van for 29000 its

Lazer Incorporated purchased a delivery van for $29,000. Its useful life is estimated as 5 years, with a salvage value of $2,000. Using the sum-of-the-years' digits depreciation method, calculate the book value at the en ...

1 under what conditions is the median a more meaningful

1. Under what conditions is the median a more meaningful measure of central tendency than the mean? 2. Why do researchers prefer the standard deviation as a measure of variability over the range?

Islam and the other monotheistic religions write an essay

Islam and the other monotheistic religions: Write an essay discussing the relationship between Islam, Judaism and Christianity. What does the Qur'an say about the "Peoples of the Book," and how they are to be treated? Wh ...

1 can single-case experimental designs be used to test the

1. Can single-case experimental designs be used to test the effects of various levels of an independent variable (as in a one-way group design)? Explain. 2. How many levels of the independent variable are there in an ABA ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro