Find the probability that the sample mean of the scores

Assignment Help Basic Statistics
Reference no: EM132515040

The national average SAT score is 1028. Assume the scores are normally distributed with a standard deviation of 100.

a) If a random sample of 60 scores were selected, find the probability that the sample mean of the scores is less than 1050.

b) If a random sample of 60 scores were selected, find the probability that the sample mean of the scores is less than 1000.

Reference no: EM132515040

Questions Cloud

Determine dollar value of sales for dorchester to breakeven : During FY 2019, Dorchester Company plans, Determine the dollar value of sales for Dorchester to breakeven. (Round to the nearest whole dollar)
Compute avoidable interest for Kingbird Company : Compute avoidable interest for Kingbird Company. Use the weighted-average interest rate for interest capitalization purposes
Compute amount of factory overhead that was under applied : Use this information to Compute the amount of factory overhead that was (over) or under applied. (Round answers to the nearest whole dollar.)
Question - unrecorded liabilities procedures : Should your procedures for unrecorded liabilities be affected by the fact that the client made a journal entry to record 2017 bills that were received later
Find the probability that the sample mean of the scores : If a random sample of 60 scores were selected, find the probability that the sample mean of the scores is less than 1050.
Demonstrate the benefits that will be gained : Demonstrate the benefits that will be gained from understanding cost behavior, and briefly explain two often-used approaches to obtain a cost formula.
What was the balance in Heathers allowance : On the basis of the information given, as of year-end 12-31-18, what was the balance in Heather's allowance for doubtful accounts
Agan interior design : Agan Interior Design provides home and office decorating assistance to its customers. In normal operation, an average of 2.8 customers arrive each hour
Evaluate the total cost that should have been recorded : Evaluate the total cost that should have been recorded in the Work in Process for Job A-1 on May 21? Round your answer to the closest whole dollar.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the probability that almost two stampins are defective

The defective and non defective stampins proceed from the machine on a random manner. If 4 stampings are randomly collected, find The probability that almost 2 are defective.

  Chances of drawing the black ball

Suppose you arrange the balls in the way that maximizes her chances of drawing the black ball. What is her chance of winning?Probability =

  Probability of sequence of four correct-one incorrect answer

Assuming that the process of answering the questions on a five-question quiz is an independent trials process and that a student has a probability of .8.

  Reliabilty of the five components

A system consists of five identical components connected in parallel. Determine the reliability of the components such that the system reliabilty is 97%.

  Find probability of neither married nor a college graduate

Neither married nor a college graduate? (answer should be a probability, that is, a number between 0 and 1). Married but not a college graduate? (answer should be a probability, that is, a number between 0 and 1).

  What is the role of management in the woolworth

What is the role of management in the woolworth pokies scandal and what went wrong? Who are the key skateholder that being affected by the scandal?

  There are four entrances to the government center building

There are four entrances to the Government Center Building in downtown Philadelphia.The building maintenance supervisor would like to know if the entrances are equally utilized.

  Using the chebysev theorem

The 2011 gross sales of all firms in a large city have a mean of $2.3 million and a standard deviation of $0.6 million Using the Chebysev's theorem, find at least what percentage of firms in this city had 2011 gross sales of $1.1 to $3.5 million.

  Confidence interval about slope of true? least-squares

How would I construct a? 95% confidence interval about the slope of the true? least-squares regression line shoeing the Lower and Upper Bound?

  Significant political developments

What, in your considered judgement, were the three most significant political developments during the latter half of the 20th century.

  Ways to assess one performance

Here are three ways to assess one's performance in high school: (1) GPA at graduation, (2) whether one graduated with honors

  Problem regarding the nxn matrices

If P and Q are nxn matrices with PQ-QP = P, prove that (P^2)Q - Q(P^2) = 2(P^2) and (P^3)Q - Q(P^3) = 3(P^3)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd